-3x+15=45+7x

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Solution for -3x+15=45+7x equation:


Simplifying
-3x + 15 = 45 + 7x

Reorder the terms:
15 + -3x = 45 + 7x

Solving
15 + -3x = 45 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
15 + -3x + -7x = 45 + 7x + -7x

Combine like terms: -3x + -7x = -10x
15 + -10x = 45 + 7x + -7x

Combine like terms: 7x + -7x = 0
15 + -10x = 45 + 0
15 + -10x = 45

Add '-15' to each side of the equation.
15 + -15 + -10x = 45 + -15

Combine like terms: 15 + -15 = 0
0 + -10x = 45 + -15
-10x = 45 + -15

Combine like terms: 45 + -15 = 30
-10x = 30

Divide each side by '-10'.
x = -3

Simplifying
x = -3

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