5x-7x=20-15

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Solution for 5x-7x=20-15 equation: 


Simplifying
5x + -7x = 20 + -15

Combine like terms: 5x + -7x = -2x
-2x = 20 + -15

Combine like terms: 20 + -15 = 5
-2x = 5

Solving
-2x = 5

Solving for variable 'x'.

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

Divide each side by '-2'.
x = -2.5

Simplifying
x = -2.5

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