8x+2(5x+5)=21+7x

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Solution for 8x+2(5x+5)=21+7x equation:


Simplifying
8x + 2(5x + 5) = 21 + 7x

Reorder the terms:
8x + 2(5 + 5x) = 21 + 7x
8x + (5 * 2 + 5x * 2) = 21 + 7x
8x + (10 + 10x) = 21 + 7x

Reorder the terms:
10 + 8x + 10x = 21 + 7x

Combine like terms: 8x + 10x = 18x
10 + 18x = 21 + 7x

Solving
10 + 18x = 21 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
10 + 18x + -7x = 21 + 7x + -7x

Combine like terms: 18x + -7x = 11x
10 + 11x = 21 + 7x + -7x

Combine like terms: 7x + -7x = 0
10 + 11x = 21 + 0
10 + 11x = 21

Add '-10' to each side of the equation.
10 + -10 + 11x = 21 + -10

Combine like terms: 10 + -10 = 0
0 + 11x = 21 + -10
11x = 21 + -10

Combine like terms: 21 + -10 = 11
11x = 11

Divide each side by '11'.
x = 1

Simplifying
x = 1

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