7x-105=75-5x

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Solution for 7x-105=75-5x equation:


Simplifying
7x + -105 = 75 + -5x

Reorder the terms:
-105 + 7x = 75 + -5x

Solving
-105 + 7x = 75 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
-105 + 7x + 5x = 75 + -5x + 5x

Combine like terms: 7x + 5x = 12x
-105 + 12x = 75 + -5x + 5x

Combine like terms: -5x + 5x = 0
-105 + 12x = 75 + 0
-105 + 12x = 75

Add '105' to each side of the equation.
-105 + 105 + 12x = 75 + 105

Combine like terms: -105 + 105 = 0
0 + 12x = 75 + 105
12x = 75 + 105

Combine like terms: 75 + 105 = 180
12x = 180

Divide each side by '12'.
x = 15

Simplifying
x = 15

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