21x+84+9x+36=-30x+16

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Solution for 21x+84+9x+36=-30x+16 equation: 


Simplifying
21x + 84 + 9x + 36 = -30x + 16

Reorder the terms:
84 + 36 + 21x + 9x = -30x + 16

Combine like terms: 84 + 36 = 120
120 + 21x + 9x = -30x + 16

Combine like terms: 21x + 9x = 30x
120 + 30x = -30x + 16

Reorder the terms:
120 + 30x = 16 + -30x

Solving
120 + 30x = 16 + -30x

Solving for variable 'x'.

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

Add '30x' to each side of the equation.
120 + 30x + 30x = 16 + -30x + 30x

Combine like terms: 30x + 30x = 60x
120 + 60x = 16 + -30x + 30x

Combine like terms: -30x + 30x = 0
120 + 60x = 16 + 0
120 + 60x = 16

Add '-120' to each side of the equation.
120 + -120 + 60x = 16 + -120

Combine like terms: 120 + -120 = 0
0 + 60x = 16 + -120
60x = 16 + -120

Combine like terms: 16 + -120 = -104
60x = -104

Divide each side by '60'.
x = -1.733333333

Simplifying
x = -1.733333333

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