30x-8=40x

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Solution for 30x-8=40x equation:


Simplifying
30x + -8 = 40x

Reorder the terms:
-8 + 30x = 40x

Solving
-8 + 30x = 40x

Solving for variable 'x'.

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

Add '-40x' to each side of the equation.
-8 + 30x + -40x = 40x + -40x

Combine like terms: 30x + -40x = -10x
-8 + -10x = 40x + -40x

Combine like terms: 40x + -40x = 0
-8 + -10x = 0

Add '8' to each side of the equation.
-8 + 8 + -10x = 0 + 8

Combine like terms: -8 + 8 = 0
0 + -10x = 0 + 8
-10x = 0 + 8

Combine like terms: 0 + 8 = 8
-10x = 8

Divide each side by '-10'.
x = -0.8

Simplifying
x = -0.8

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