4x-13=-5x-21

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Solution for 4x-13=-5x-21 equation:


Simplifying
4x + -13 = -5x + -21

Reorder the terms:
-13 + 4x = -5x + -21

Reorder the terms:
-13 + 4x = -21 + -5x

Solving
-13 + 4x = -21 + -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.
-13 + 4x + 5x = -21 + -5x + 5x

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

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

Add '13' to each side of the equation.
-13 + 13 + 9x = -21 + 13

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

Combine like terms: -21 + 13 = -8
9x = -8

Divide each side by '9'.
x = -0.8888888889

Simplifying
x = -0.8888888889

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