-4-2x-5x=-25

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Solution for -4-2x-5x=-25 equation: 


Simplifying
-4 + -2x + -5x = -25

Combine like terms: -2x + -5x = -7x
-4 + -7x = -25

Solving
-4 + -7x = -25

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + -7x = -25 + 4

Combine like terms: -4 + 4 = 0
0 + -7x = -25 + 4
-7x = -25 + 4

Combine like terms: -25 + 4 = -21
-7x = -21

Divide each side by '-7'.
x = 3

Simplifying
x = 3

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