4x+5=-21-9x

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Solution for 4x+5=-21-9x equation:


Simplifying
4x + 5 = -21 + -9x

Reorder the terms:
5 + 4x = -21 + -9x

Solving
5 + 4x = -21 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
5 + 4x + 9x = -21 + -9x + 9x

Combine like terms: 4x + 9x = 13x
5 + 13x = -21 + -9x + 9x

Combine like terms: -9x + 9x = 0
5 + 13x = -21 + 0
5 + 13x = -21

Add '-5' to each side of the equation.
5 + -5 + 13x = -21 + -5

Combine like terms: 5 + -5 = 0
0 + 13x = -21 + -5
13x = -21 + -5

Combine like terms: -21 + -5 = -26
13x = -26

Divide each side by '13'.
x = -2

Simplifying
x = -2

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