2(x+20)+2x=100

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Solution for 2(x+20)+2x=100 equation:


Simplifying
2(x + 20) + 2x = 100

Reorder the terms:
2(20 + x) + 2x = 100
(20 * 2 + x * 2) + 2x = 100
(40 + 2x) + 2x = 100

Combine like terms: 2x + 2x = 4x
40 + 4x = 100

Solving
40 + 4x = 100

Solving for variable 'x'.

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

Add '-40' to each side of the equation.
40 + -40 + 4x = 100 + -40

Combine like terms: 40 + -40 = 0
0 + 4x = 100 + -40
4x = 100 + -40

Combine like terms: 100 + -40 = 60
4x = 60

Divide each side by '4'.
x = 15

Simplifying
x = 15

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