Question

10x + 60 = 9x - 30

`10x + 60 = 9 * - 30 \\`
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Answer 1

x = - 90

Explanation:

Given

10x + 60 = 9x - 30 ( subtract 9x from both sides )

x + 60 = - 30 ( subtract 60 from both sides )

x = - 90