45-5x=4x+18

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Solution for 45-5x=4x+18 equation:


Simplifying
45 + -5x = 4x + 18

Reorder the terms:
45 + -5x = 18 + 4x

Solving
45 + -5x = 18 + 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 + -5x + -4x = 18 + 4x + -4x

Combine like terms: -5x + -4x = -9x
45 + -9x = 18 + 4x + -4x

Combine like terms: 4x + -4x = 0
45 + -9x = 18 + 0
45 + -9x = 18

Add '-45' to each side of the equation.
45 + -45 + -9x = 18 + -45

Combine like terms: 45 + -45 = 0
0 + -9x = 18 + -45
-9x = 18 + -45

Combine like terms: 18 + -45 = -27
-9x = -27

Divide each side by '-9'.
x = 3

Simplifying
x = 3

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