-21x+-42=7

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Solution for -21x+-42=7 equation:


Simplifying
-21x + -42 = 7

Reorder the terms:
-42 + -21x = 7

Solving
-42 + -21x = 7

Solving for variable 'x'.

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

Add '42' to each side of the equation.
-42 + 42 + -21x = 7 + 42

Combine like terms: -42 + 42 = 0
0 + -21x = 7 + 42
-21x = 7 + 42

Combine like terms: 7 + 42 = 49
-21x = 49

Divide each side by '-21'.
x = -2.333333333

Simplifying
x = -2.333333333

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