4(x-4)+5(x+5)=

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Solution for 4(x-4)+5(x+5)= equation:


Simplifying
4(x + -4) + 5(x + 5) = 0

Reorder the terms:
4(-4 + x) + 5(x + 5) = 0
(-4 * 4 + x * 4) + 5(x + 5) = 0
(-16 + 4x) + 5(x + 5) = 0

Reorder the terms:
-16 + 4x + 5(5 + x) = 0
-16 + 4x + (5 * 5 + x * 5) = 0
-16 + 4x + (25 + 5x) = 0

Reorder the terms:
-16 + 25 + 4x + 5x = 0

Combine like terms: -16 + 25 = 9
9 + 4x + 5x = 0

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

Solving
9 + 9x = 0

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 9x = 0 + -9

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

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

Divide each side by '9'.
x = -1

Simplifying
x = -1

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