30x-640=25x-450

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Solution for 30x-640=25x-450 equation:


Simplifying
30x + -640 = 25x + -450

Reorder the terms:
-640 + 30x = 25x + -450

Reorder the terms:
-640 + 30x = -450 + 25x

Solving
-640 + 30x = -450 + 25x

Solving for variable 'x'.

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

Add '-25x' to each side of the equation.
-640 + 30x + -25x = -450 + 25x + -25x

Combine like terms: 30x + -25x = 5x
-640 + 5x = -450 + 25x + -25x

Combine like terms: 25x + -25x = 0
-640 + 5x = -450 + 0
-640 + 5x = -450

Add '640' to each side of the equation.
-640 + 640 + 5x = -450 + 640

Combine like terms: -640 + 640 = 0
0 + 5x = -450 + 640
5x = -450 + 640

Combine like terms: -450 + 640 = 190
5x = 190

Divide each side by '5'.
x = 38

Simplifying
x = 38

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