7x-45=15x-85

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Solution for 7x-45=15x-85 equation:


Simplifying
7x + -45 = 15x + -85

Reorder the terms:
-45 + 7x = 15x + -85

Reorder the terms:
-45 + 7x = -85 + 15x

Solving
-45 + 7x = -85 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
-45 + 7x + -15x = -85 + 15x + -15x

Combine like terms: 7x + -15x = -8x
-45 + -8x = -85 + 15x + -15x

Combine like terms: 15x + -15x = 0
-45 + -8x = -85 + 0
-45 + -8x = -85

Add '45' to each side of the equation.
-45 + 45 + -8x = -85 + 45

Combine like terms: -45 + 45 = 0
0 + -8x = -85 + 45
-8x = -85 + 45

Combine like terms: -85 + 45 = -40
-8x = -40

Divide each side by '-8'.
x = 5

Simplifying
x = 5

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