20x+40=10x+20

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Solution for 20x+40=10x+20 equation:


Simplifying
20x + 40 = 10x + 20

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

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

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

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

Combine like terms: 10x + -10x = 0
40 + 10x = 20 + 0
40 + 10x = 20

Add '-40' to each side of the equation.
40 + -40 + 10x = 20 + -40

Combine like terms: 40 + -40 = 0
0 + 10x = 20 + -40
10x = 20 + -40

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

Divide each side by '10'.
x = -2

Simplifying
x = -2

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