2x+2(x+20)=280

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Solution for 2x+2(x+20)=280 equation:


Simplifying
2x + 2(x + 20) = 280

Reorder the terms:
2x + 2(20 + x) = 280
2x + (20 * 2 + x * 2) = 280
2x + (40 + 2x) = 280

Reorder the terms:
40 + 2x + 2x = 280

Combine like terms: 2x + 2x = 4x
40 + 4x = 280

Solving
40 + 4x = 280

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 = 280 + -40

Combine like terms: 40 + -40 = 0
0 + 4x = 280 + -40
4x = 280 + -40

Combine like terms: 280 + -40 = 240
4x = 240

Divide each side by '4'.
x = 60

Simplifying
x = 60

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