45x-30=72x-84

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Solution for 45x-30=72x-84 equation:


Simplifying
45x + -30 = 72x + -84

Reorder the terms:
-30 + 45x = 72x + -84

Reorder the terms:
-30 + 45x = -84 + 72x

Solving
-30 + 45x = -84 + 72x

Solving for variable 'x'.

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

Add '-72x' to each side of the equation.
-30 + 45x + -72x = -84 + 72x + -72x

Combine like terms: 45x + -72x = -27x
-30 + -27x = -84 + 72x + -72x

Combine like terms: 72x + -72x = 0
-30 + -27x = -84 + 0
-30 + -27x = -84

Add '30' to each side of the equation.
-30 + 30 + -27x = -84 + 30

Combine like terms: -30 + 30 = 0
0 + -27x = -84 + 30
-27x = -84 + 30

Combine like terms: -84 + 30 = -54
-27x = -54

Divide each side by '-27'.
x = 2

Simplifying
x = 2

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