2(5x+10)+7=6(2x+5)-9

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Solution for 2(5x+10)+7=6(2x+5)-9 equation:


Simplifying
2(5x + 10) + 7 = 6(2x + 5) + -9

Reorder the terms:
2(10 + 5x) + 7 = 6(2x + 5) + -9
(10 * 2 + 5x * 2) + 7 = 6(2x + 5) + -9
(20 + 10x) + 7 = 6(2x + 5) + -9

Reorder the terms:
20 + 7 + 10x = 6(2x + 5) + -9

Combine like terms: 20 + 7 = 27
27 + 10x = 6(2x + 5) + -9

Reorder the terms:
27 + 10x = 6(5 + 2x) + -9
27 + 10x = (5 * 6 + 2x * 6) + -9
27 + 10x = (30 + 12x) + -9

Reorder the terms:
27 + 10x = 30 + -9 + 12x

Combine like terms: 30 + -9 = 21
27 + 10x = 21 + 12x

Solving
27 + 10x = 21 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
27 + 10x + -12x = 21 + 12x + -12x

Combine like terms: 10x + -12x = -2x
27 + -2x = 21 + 12x + -12x

Combine like terms: 12x + -12x = 0
27 + -2x = 21 + 0
27 + -2x = 21

Add '-27' to each side of the equation.
27 + -27 + -2x = 21 + -27

Combine like terms: 27 + -27 = 0
0 + -2x = 21 + -27
-2x = 21 + -27

Combine like terms: 21 + -27 = -6
-2x = -6

Divide each side by '-2'.
x = 3

Simplifying
x = 3

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