4x+5=-(x-20)

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Solution for 4x+5=-(x-20) equation:


Simplifying
4x + 5 = -1(x + -20)

Reorder the terms:
5 + 4x = -1(x + -20)

Reorder the terms:
5 + 4x = -1(-20 + x)
5 + 4x = (-20 * -1 + x * -1)
5 + 4x = (20 + -1x)

Solving
5 + 4x = 20 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
5 + 4x + x = 20 + -1x + x

Combine like terms: 4x + x = 5x
5 + 5x = 20 + -1x + x

Combine like terms: -1x + x = 0
5 + 5x = 20 + 0
5 + 5x = 20

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

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

Combine like terms: 20 + -5 = 15
5x = 15

Divide each side by '5'.
x = 3

Simplifying
x = 3

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