7x-8x=4x-30

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Solution for 7x-8x=4x-30 equation:


Simplifying
7x + -8x = 4x + -30

Combine like terms: 7x + -8x = -1x
-1x = 4x + -30

Reorder the terms:
-1x = -30 + 4x

Solving
-1x = -30 + 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.
-1x + -4x = -30 + 4x + -4x

Combine like terms: -1x + -4x = -5x
-5x = -30 + 4x + -4x

Combine like terms: 4x + -4x = 0
-5x = -30 + 0
-5x = -30

Divide each side by '-5'.
x = 6

Simplifying
x = 6

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