18x-15x-45=10x+20

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Solution for 18x-15x-45=10x+20 equation:


Simplifying
18x + -15x + -45 = 10x + 20

Reorder the terms:
-45 + 18x + -15x = 10x + 20

Combine like terms: 18x + -15x = 3x
-45 + 3x = 10x + 20

Reorder the terms:
-45 + 3x = 20 + 10x

Solving
-45 + 3x = 20 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
-45 + 3x + -10x = 20 + 10x + -10x

Combine like terms: 3x + -10x = -7x
-45 + -7x = 20 + 10x + -10x

Combine like terms: 10x + -10x = 0
-45 + -7x = 20 + 0
-45 + -7x = 20

Add '45' to each side of the equation.
-45 + 45 + -7x = 20 + 45

Combine like terms: -45 + 45 = 0
0 + -7x = 20 + 45
-7x = 20 + 45

Combine like terms: 20 + 45 = 65
-7x = 65

Divide each side by '-7'.
x = -9.285714286

Simplifying
x = -9.285714286

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