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

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


Simplifying
9(-1x + -5) + 5(x + 7) = 0

Reorder the terms:
9(-5 + -1x) + 5(x + 7) = 0
(-5 * 9 + -1x * 9) + 5(x + 7) = 0
(-45 + -9x) + 5(x + 7) = 0

Reorder the terms:
-45 + -9x + 5(7 + x) = 0
-45 + -9x + (7 * 5 + x * 5) = 0
-45 + -9x + (35 + 5x) = 0

Reorder the terms:
-45 + 35 + -9x + 5x = 0

Combine like terms: -45 + 35 = -10
-10 + -9x + 5x = 0

Combine like terms: -9x + 5x = -4x
-10 + -4x = 0

Solving
-10 + -4x = 0

Solving for variable 'x'.

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

Add '10' to each side of the equation.
-10 + 10 + -4x = 0 + 10

Combine like terms: -10 + 10 = 0
0 + -4x = 0 + 10
-4x = 0 + 10

Combine like terms: 0 + 10 = 10
-4x = 10

Divide each side by '-4'.
x = -2.5

Simplifying
x = -2.5

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