x-45=4x

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Solution for x-45=4x equation:


Simplifying
x + -45 = 4x

Reorder the terms:
-45 + x = 4x

Solving
-45 + x = 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.
-45 + x + -4x = 4x + -4x

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

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

Add '45' to each side of the equation.
-45 + 45 + -3x = 0 + 45

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

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

Divide each side by '-3'.
x = -15

Simplifying
x = -15

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