9(x+4)-7(2+x)=13

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Solution for 9(x+4)-7(2+x)=13 equation:


Simplifying
9(x + 4) + -7(2 + x) = 13

Reorder the terms:
9(4 + x) + -7(2 + x) = 13
(4 * 9 + x * 9) + -7(2 + x) = 13
(36 + 9x) + -7(2 + x) = 13
36 + 9x + (2 * -7 + x * -7) = 13
36 + 9x + (-14 + -7x) = 13

Reorder the terms:
36 + -14 + 9x + -7x = 13

Combine like terms: 36 + -14 = 22
22 + 9x + -7x = 13

Combine like terms: 9x + -7x = 2x
22 + 2x = 13

Solving
22 + 2x = 13

Solving for variable 'x'.

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

Add '-22' to each side of the equation.
22 + -22 + 2x = 13 + -22

Combine like terms: 22 + -22 = 0
0 + 2x = 13 + -22
2x = 13 + -22

Combine like terms: 13 + -22 = -9
2x = -9

Divide each side by '2'.
x = -4.5

Simplifying
x = -4.5

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