-3x-3=4x-45

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Solution for -3x-3=4x-45 equation:


Simplifying
-3x + -3 = 4x + -45

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

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

Solving
-3 + -3x = -45 + 4x

Solving for variable 'x'.

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

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

Combine like terms: -3x + -4x = -7x
-3 + -7x = -45 + 4x + -4x

Combine like terms: 4x + -4x = 0
-3 + -7x = -45 + 0
-3 + -7x = -45

Add '3' to each side of the equation.
-3 + 3 + -7x = -45 + 3

Combine like terms: -3 + 3 = 0
0 + -7x = -45 + 3
-7x = -45 + 3

Combine like terms: -45 + 3 = -42
-7x = -42

Divide each side by '-7'.
x = 6

Simplifying
x = 6

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