-7x+30=8x-15

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


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

Reorder the terms:
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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