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anonymous
 one year ago
need help solving 108=18a
anonymous
 one year ago
need help solving 108=18a

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Since u need to cancel out 18 to get a alone the opposite of multiplication is division so divide 18 out on each side of the equal sign

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0All you need to do is divide 108 by 18, since the opposite of multiplication is division =)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Yes it does. Good job!

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Opposite of addition is subtraction

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0am I subtracting by 5

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0So the equation becomes 825 = x

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0how do I check answer

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0You substitute x for the answer you got

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0For example 82 = x+ 5 and you got x = 1 To check you answer you Plug in x 82 = 1 + 5

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0need help with 1/5x=4/5

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Is the 1/5 next to the x or is it 1 over 5x

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0In this case to cancel out the fraction u multiply by the reciprocal. Which is a fancy word for flipping the fraction. So 1/5 becomes 5/1 which is also 5

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0So the equation becomes x = 4/5(5/1)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0do I have to multiply

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Yes, now simplify the fraction
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