-9=2x+5(x+8)

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Solution for -9=2x+5(x+8) equation:


Simplifying
-9 = 2x + 5(x + 8)

Reorder the terms:
-9 = 2x + 5(8 + x)
-9 = 2x + (8 * 5 + x * 5)
-9 = 2x + (40 + 5x)

Reorder the terms:
-9 = 40 + 2x + 5x

Combine like terms: 2x + 5x = 7x
-9 = 40 + 7x

Solving
-9 = 40 + 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.
-9 + -7x = 40 + 7x + -7x

Combine like terms: 7x + -7x = 0
-9 + -7x = 40 + 0
-9 + -7x = 40

Add '9' to each side of the equation.
-9 + 9 + -7x = 40 + 9

Combine like terms: -9 + 9 = 0
0 + -7x = 40 + 9
-7x = 40 + 9

Combine like terms: 40 + 9 = 49
-7x = 49

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

Simplifying
x = -7

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