2(4x+9)+-(x+7)=36

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Solution for 2(4x+9)+-(x+7)=36 equation:


Simplifying
2(4x + 9) + -1(x + 7) = 36

Reorder the terms:
2(9 + 4x) + -1(x + 7) = 36
(9 * 2 + 4x * 2) + -1(x + 7) = 36
(18 + 8x) + -1(x + 7) = 36

Reorder the terms:
18 + 8x + -1(7 + x) = 36
18 + 8x + (7 * -1 + x * -1) = 36
18 + 8x + (-7 + -1x) = 36

Reorder the terms:
18 + -7 + 8x + -1x = 36

Combine like terms: 18 + -7 = 11
11 + 8x + -1x = 36

Combine like terms: 8x + -1x = 7x
11 + 7x = 36

Solving
11 + 7x = 36

Solving for variable 'x'.

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

Add '-11' to each side of the equation.
11 + -11 + 7x = 36 + -11

Combine like terms: 11 + -11 = 0
0 + 7x = 36 + -11
7x = 36 + -11

Combine like terms: 36 + -11 = 25
7x = 25

Divide each side by '7'.
x = 3.571428571

Simplifying
x = 3.571428571

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