-4x-5+2x+5=7

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Solution for -4x-5+2x+5=7 equation: 


Simplifying
-4x + -5 + 2x + 5 = 7

Reorder the terms:
-5 + 5 + -4x + 2x = 7

Combine like terms: -5 + 5 = 0
0 + -4x + 2x = 7
-4x + 2x = 7

Combine like terms: -4x + 2x = -2x
-2x = 7

Solving
-2x = 7

Solving for variable 'x'.

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

Divide each side by '-2'.
x = -3.5

Simplifying
x = -3.5

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