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What is -1 = 4 + x/3? Solve and justify each step.

User Ylisar
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2 Answers

2 votes


-1=4+(x)/(3)\\ \\-1(-4)=4+(x)/(3)-4\ \ \ \ \ \ \ \ \ \ justify:subtract\ by\ 4\ on\ both\ sides\\\\(3)-5=x/3(3)\ \ \ \ \ \ \ \ \ justify:\ multiply\ by\ 3\ on both sides\\\boxed{x=-15}

User Jason Molenda
by
4.2k points
3 votes

Answer: x=-15

Explanation:

-1 = 4 + x/3

-1-4=4-4+x/3

-5=x/3

-5*3=x*3/3

-15=x*1

x=-15

User Richaux
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4.3k points