4x-3=-45

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Solution for 4x-3=-45 equation: 


Simplifying
4x + -3 = -45

Reorder the terms:
-3 + 4x = -45

Solving
-3 + 4x = -45

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 4x = -45 + 3

Combine like terms: -3 + 3 = 0
0 + 4x = -45 + 3
4x = -45 + 3

Combine like terms: -45 + 3 = -42
4x = -42

Divide each side by '4'.
x = -10.5

Simplifying
x = -10.5

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