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8-9x=15x+7+3x show how you get X
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4 votes
8-9x=15x+7+3x
show how you get X

User Buono
by
5.8k points

1 Answer

5 votes

Simplify 15x + 7 + 3x to 18x + 7

8 - 9x = 18x + 7

Add 9x to both sides

8 = 18x + 7 + 9x

Simplify 18x + 7 + 9x to 27x to 7

8 = 27x + 7

Subtract 7 from both sides

8 - 7 = 27x

Simplify 8 - 7 to 1

1 = 27x

Divide both sides by 27

1/27 = x

Switch sides

x = 1/27

User Lincollincol
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5.3k points
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