9(x+2)+4(3+x)-9=13

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Solution for 9(x+2)+4(3+x)-9=13 equation: 


Simplifying
9(x + 2) + 4(3 + x) + -9 = 13

Reorder the terms:
9(2 + x) + 4(3 + x) + -9 = 13
(2 * 9 + x * 9) + 4(3 + x) + -9 = 13
(18 + 9x) + 4(3 + x) + -9 = 13
18 + 9x + (3 * 4 + x * 4) + -9 = 13
18 + 9x + (12 + 4x) + -9 = 13

Reorder the terms:
18 + 12 + -9 + 9x + 4x = 13

Combine like terms: 18 + 12 = 30
30 + -9 + 9x + 4x = 13

Combine like terms: 30 + -9 = 21
21 + 9x + 4x = 13

Combine like terms: 9x + 4x = 13x
21 + 13x = 13

Solving
21 + 13x = 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 + 13x = 13 + -21

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

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

Divide each side by '13'.
x = -0.6153846154

Simplifying
x = -0.6153846154

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