2x+3(2x+7)=13

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Solution for 2x+3(2x+7)=13 equation:


Simplifying
2x + 3(2x + 7) = 13

Reorder the terms:
2x + 3(7 + 2x) = 13
2x + (7 * 3 + 2x * 3) = 13
2x + (21 + 6x) = 13

Reorder the terms:
21 + 2x + 6x = 13

Combine like terms: 2x + 6x = 8x
21 + 8x = 13

Solving
21 + 8x = 13

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 8x = 13 + -21

Combine like terms: 21 + -21 = 0
0 + 8x = 13 + -21
8x = 13 + -21

Combine like terms: 13 + -21 = -8
8x = -8

Divide each side by '8'.
x = -1

Simplifying
x = -1

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