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KatrinaKaifBest ResponseYou've already chosen the best response.0
Bring the 2x to the other side by substracting it 4x  2x  21 = 3 Bring 21 to the other side by adding it 4x  2x = +21  3 Simplify 2x = 18 x = 9
 2 years ago

bookymb143Best ResponseYou've already chosen the best response.0
keep bringing it down
 2 years ago

satellite73Best ResponseYou've already chosen the best response.1
is this absolute value? what is does the [ ] mean?
 2 years ago

KatrinaKaifBest ResponseYou've already chosen the best response.0
I think she means ( )
 2 years ago

satellite73Best ResponseYou've already chosen the best response.1
in math we seldom bring things. we usually add, subtract, multiply or divide. sometimes we bring apples to our teachers
 2 years ago

satellite73Best ResponseYou've already chosen the best response.1
steps are : add 21 to both sides subtract 2x from both sides divide by 2
 2 years ago
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