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What is 3.5x=130+10x

What is 3.5x=130+10x
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What is 3.5x=130+10x

User Augusto Sanchez
by
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2 Answers

6 votes

subtract 10 from both sides

-6.5x = 130 divide

-6.5 into 130

x = -20

User Giuseppe Bertone
by
7.6k points
5 votes

3.5x=130+10x \ \ |\ subtract\ 10x\ to\ both\ sides \\\\3.5x-10x=130\\\\-6.5x=130\ \ | \ multiply\ both\ sides\ by\ (-10)\\\\65x=-1300\ \ | \ divide \ both \ sides\ by\ 65 \\\\x=-(1300)/(65)\\\\x=-20
User Ooxi
by
7.3k points
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