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

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


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

Reorder the terms:
9(5 + x) = 2(x + -7) + 5(x + 9)
(5 * 9 + x * 9) = 2(x + -7) + 5(x + 9)
(45 + 9x) = 2(x + -7) + 5(x + 9)

Reorder the terms:
45 + 9x = 2(-7 + x) + 5(x + 9)
45 + 9x = (-7 * 2 + x * 2) + 5(x + 9)
45 + 9x = (-14 + 2x) + 5(x + 9)

Reorder the terms:
45 + 9x = -14 + 2x + 5(9 + x)
45 + 9x = -14 + 2x + (9 * 5 + x * 5)
45 + 9x = -14 + 2x + (45 + 5x)

Reorder the terms:
45 + 9x = -14 + 45 + 2x + 5x

Combine like terms: -14 + 45 = 31
45 + 9x = 31 + 2x + 5x

Combine like terms: 2x + 5x = 7x
45 + 9x = 31 + 7x

Solving
45 + 9x = 31 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
45 + 9x + -7x = 31 + 7x + -7x

Combine like terms: 9x + -7x = 2x
45 + 2x = 31 + 7x + -7x

Combine like terms: 7x + -7x = 0
45 + 2x = 31 + 0
45 + 2x = 31

Add '-45' to each side of the equation.
45 + -45 + 2x = 31 + -45

Combine like terms: 45 + -45 = 0
0 + 2x = 31 + -45
2x = 31 + -45

Combine like terms: 31 + -45 = -14
2x = -14

Divide each side by '2'.
x = -7

Simplifying
x = -7

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