2(3x+15)-2(7x-3)=x+7

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Solution for 2(3x+15)-2(7x-3)=x+7 equation:


Simplifying
2(3x + 15) + -2(7x + -3) = x + 7

Reorder the terms:
2(15 + 3x) + -2(7x + -3) = x + 7
(15 * 2 + 3x * 2) + -2(7x + -3) = x + 7
(30 + 6x) + -2(7x + -3) = x + 7

Reorder the terms:
30 + 6x + -2(-3 + 7x) = x + 7
30 + 6x + (-3 * -2 + 7x * -2) = x + 7
30 + 6x + (6 + -14x) = x + 7

Reorder the terms:
30 + 6 + 6x + -14x = x + 7

Combine like terms: 30 + 6 = 36
36 + 6x + -14x = x + 7

Combine like terms: 6x + -14x = -8x
36 + -8x = x + 7

Reorder the terms:
36 + -8x = 7 + x

Solving
36 + -8x = 7 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
36 + -8x + -1x = 7 + x + -1x

Combine like terms: -8x + -1x = -9x
36 + -9x = 7 + x + -1x

Combine like terms: x + -1x = 0
36 + -9x = 7 + 0
36 + -9x = 7

Add '-36' to each side of the equation.
36 + -36 + -9x = 7 + -36

Combine like terms: 36 + -36 = 0
0 + -9x = 7 + -36
-9x = 7 + -36

Combine like terms: 7 + -36 = -29
-9x = -29

Divide each side by '-9'.
x = 3.222222222

Simplifying
x = 3.222222222

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