15-7x=-20

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Solution for 15-7x=-20 equation: 


Simplifying
15 + -7x = -20

Solving
15 + -7x = -20

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + -7x = -20 + -15

Combine like terms: 15 + -15 = 0
0 + -7x = -20 + -15
-7x = -20 + -15

Combine like terms: -20 + -15 = -35
-7x = -35

Divide each side by '-7'.
x = 5

Simplifying
x = 5

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