20x-40=10x-70

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Solution for 20x-40=10x-70 equation:


Simplifying
20x + -40 = 10x + -70

Reorder the terms:
-40 + 20x = 10x + -70

Reorder the terms:
-40 + 20x = -70 + 10x

Solving
-40 + 20x = -70 + 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.
-40 + 20x + -10x = -70 + 10x + -10x

Combine like terms: 20x + -10x = 10x
-40 + 10x = -70 + 10x + -10x

Combine like terms: 10x + -10x = 0
-40 + 10x = -70 + 0
-40 + 10x = -70

Add '40' to each side of the equation.
-40 + 40 + 10x = -70 + 40

Combine like terms: -40 + 40 = 0
0 + 10x = -70 + 40
10x = -70 + 40

Combine like terms: -70 + 40 = -30
10x = -30

Divide each side by '10'.
x = -3

Simplifying
x = -3

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