21x+21=-42x-10

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Solution for 21x+21=-42x-10 equation:


Simplifying
21x + 21 = -42x + -10

Reorder the terms:
21 + 21x = -42x + -10

Reorder the terms:
21 + 21x = -10 + -42x

Solving
21 + 21x = -10 + -42x

Solving for variable 'x'.

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

Add '42x' to each side of the equation.
21 + 21x + 42x = -10 + -42x + 42x

Combine like terms: 21x + 42x = 63x
21 + 63x = -10 + -42x + 42x

Combine like terms: -42x + 42x = 0
21 + 63x = -10 + 0
21 + 63x = -10

Add '-21' to each side of the equation.
21 + -21 + 63x = -10 + -21

Combine like terms: 21 + -21 = 0
0 + 63x = -10 + -21
63x = -10 + -21

Combine like terms: -10 + -21 = -31
63x = -31

Divide each side by '63'.
x = -0.4920634921

Simplifying
x = -0.4920634921

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