-30-7x=8x+15

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Solution for -30-7x=8x+15 equation:


Simplifying
-30 + -7x = 8x + 15

Reorder the terms:
-30 + -7x = 15 + 8x

Solving
-30 + -7x = 15 + 8x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-8x' to each side of the equation.
-30 + -7x + -8x = 15 + 8x + -8x

Combine like terms: -7x + -8x = -15x
-30 + -15x = 15 + 8x + -8x

Combine like terms: 8x + -8x = 0
-30 + -15x = 15 + 0
-30 + -15x = 15

Add '30' to each side of the equation.
-30 + 30 + -15x = 15 + 30

Combine like terms: -30 + 30 = 0
0 + -15x = 15 + 30
-15x = 15 + 30

Combine like terms: 15 + 30 = 45
-15x = 45

Divide each side by '-15'.
x = -3

Simplifying
x = -3

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