-45-3x-x=31

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Solution for -45-3x-x=31 equation:


Simplifying
-45 + -3x + -1x = 31

Combine like terms: -3x + -1x = -4x
-45 + -4x = 31

Solving
-45 + -4x = 31

Solving for variable 'x'.

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

Add '45' to each side of the equation.
-45 + 45 + -4x = 31 + 45

Combine like terms: -45 + 45 = 0
0 + -4x = 31 + 45
-4x = 31 + 45

Combine like terms: 31 + 45 = 76
-4x = 76

Divide each side by '-4'.
x = -19

Simplifying
x = -19

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