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pokemon23
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If 20 is added to a number the result is the same as 55 decreased by four times the number.Find the number. Help me If 20 is added to a number the result is the same as 55 decreased by four times the number.Find the number. Help me @Mathematics
 3 years ago
 3 years ago
pokemon23 Group Title
If 20 is added to a number the result is the same as 55 decreased by four times the number.Find the number. Help me If 20 is added to a number the result is the same as 55 decreased by four times the number.Find the number. Help me @Mathematics
 3 years ago
 3 years ago

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pokemon23 Group TitleBest ResponseYou've already chosen the best response.4
20+x=554x
 3 years ago

heisenberg Group TitleBest ResponseYou've already chosen the best response.1
setup an equation with simple algebra. The "unknown" = the "number."
 3 years ago

pokemon23 Group TitleBest ResponseYou've already chosen the best response.4
is this correct?
 3 years ago

heisenberg Group TitleBest ResponseYou've already chosen the best response.1
Yep that's right.
 3 years ago

heisenberg Group TitleBest ResponseYou've already chosen the best response.1
can you solve those together? there are a few techniques for this.
 3 years ago

pokemon23 Group TitleBest ResponseYou've already chosen the best response.4
let me see
 3 years ago

heisenberg Group TitleBest ResponseYou've already chosen the best response.1
not quite. to get rid of the x on the left, subtract x to both sides. 4x  (1)x = 5x
 3 years ago

heisenberg Group TitleBest ResponseYou've already chosen the best response.1
same with the 55.
 3 years ago

heisenberg Group TitleBest ResponseYou've already chosen the best response.1
what about: 25  55 = ?
 3 years ago

pokemon23 Group TitleBest ResponseYou've already chosen the best response.4
subtract 55
 3 years ago

heisenberg Group TitleBest ResponseYou've already chosen the best response.1
it's a negative number.
 3 years ago

pokemon23 Group TitleBest ResponseYou've already chosen the best response.4
?????????
 3 years ago

heisenberg Group TitleBest ResponseYou've already chosen the best response.1
20  55 = 35
 3 years ago

heisenberg Group TitleBest ResponseYou've already chosen the best response.1
you have to subtract 55 from both sides.
 3 years ago

pokemon23 Group TitleBest ResponseYou've already chosen the best response.4
where did you get 35
 3 years ago

heisenberg Group TitleBest ResponseYou've already chosen the best response.1
20  55 = 20 + 55 = 55 + 20 = 35
 3 years ago

heisenberg Group TitleBest ResponseYou've already chosen the best response.1
that's right.
 3 years ago
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