-21+x=7(-2+6x)-7

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Solution for -21+x=7(-2+6x)-7 equation:


Simplifying
-21 + x = 7(-2 + 6x) + -7
-21 + x = (-2 * 7 + 6x * 7) + -7
-21 + x = (-14 + 42x) + -7

Reorder the terms:
-21 + x = -14 + -7 + 42x

Combine like terms: -14 + -7 = -21
-21 + x = -21 + 42x

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

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

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

Solving
x = 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.
x + -42x = 42x + -42x

Combine like terms: x + -42x = -41x
-41x = 42x + -42x

Combine like terms: 42x + -42x = 0
-41x = 0

Divide each side by '-41'.
x = 0

Simplifying
x = 0

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