4x-(-45)=57

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Solution for 4x-(-45)=57 equation: 


Simplifying
4x + -1(-45) = 57

Multiply -1 * -45
4x + 45 = 57

Reorder the terms:
45 + 4x = 57

Solving
45 + 4x = 57

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 = 57 + -45

Combine like terms: 45 + -45 = 0
0 + 4x = 57 + -45
4x = 57 + -45

Combine like terms: 57 + -45 = 12
4x = 12

Divide each side by '4'.
x = 3

Simplifying
x = 3

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