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

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Solution for 4(x+5)=-5(x-9) equation:


Simplifying
4(x + 5) = -5(x + -9)

Reorder the terms:
4(5 + x) = -5(x + -9)
(5 * 4 + x * 4) = -5(x + -9)
(20 + 4x) = -5(x + -9)

Reorder the terms:
20 + 4x = -5(-9 + x)
20 + 4x = (-9 * -5 + x * -5)
20 + 4x = (45 + -5x)

Solving
20 + 4x = 45 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
20 + 4x + 5x = 45 + -5x + 5x

Combine like terms: 4x + 5x = 9x
20 + 9x = 45 + -5x + 5x

Combine like terms: -5x + 5x = 0
20 + 9x = 45 + 0
20 + 9x = 45

Add '-20' to each side of the equation.
20 + -20 + 9x = 45 + -20

Combine like terms: 20 + -20 = 0
0 + 9x = 45 + -20
9x = 45 + -20

Combine like terms: 45 + -20 = 25
9x = 25

Divide each side by '9'.
x = 2.777777778

Simplifying
x = 2.777777778

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