-4x+2-8=-21

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Solution for -4x+2-8=-21 equation:


Simplifying
-4x + 2 + -8 = -21

Reorder the terms:
2 + -8 + -4x = -21

Combine like terms: 2 + -8 = -6
-6 + -4x = -21

Solving
-6 + -4x = -21

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + -4x = -21 + 6

Combine like terms: -6 + 6 = 0
0 + -4x = -21 + 6
-4x = -21 + 6

Combine like terms: -21 + 6 = -15
-4x = -15

Divide each side by '-4'.
x = 3.75

Simplifying
x = 3.75

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