2(10+2x)+2(15+2x)=66

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Solution for 2(10+2x)+2(15+2x)=66 equation:


Simplifying
2(10 + 2x) + 2(15 + 2x) = 66
(10 * 2 + 2x * 2) + 2(15 + 2x) = 66
(20 + 4x) + 2(15 + 2x) = 66
20 + 4x + (15 * 2 + 2x * 2) = 66
20 + 4x + (30 + 4x) = 66

Reorder the terms:
20 + 30 + 4x + 4x = 66

Combine like terms: 20 + 30 = 50
50 + 4x + 4x = 66

Combine like terms: 4x + 4x = 8x
50 + 8x = 66

Solving
50 + 8x = 66

Solving for variable 'x'.

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

Add '-50' to each side of the equation.
50 + -50 + 8x = 66 + -50

Combine like terms: 50 + -50 = 0
0 + 8x = 66 + -50
8x = 66 + -50

Combine like terms: 66 + -50 = 16
8x = 16

Divide each side by '8'.
x = 2

Simplifying
x = 2

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