12-3(2x+1)=4w-21

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Solution for 12-3(2x+1)=4w-21 equation:


Simplifying
12 + -3(2x + 1) = 4w + -21

Reorder the terms:
12 + -3(1 + 2x) = 4w + -21
12 + (1 * -3 + 2x * -3) = 4w + -21
12 + (-3 + -6x) = 4w + -21

Combine like terms: 12 + -3 = 9
9 + -6x = 4w + -21

Reorder the terms:
9 + -6x = -21 + 4w

Solving
9 + -6x = -21 + 4w

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + -6x = -21 + -9 + 4w

Combine like terms: 9 + -9 = 0
0 + -6x = -21 + -9 + 4w
-6x = -21 + -9 + 4w

Combine like terms: -21 + -9 = -30
-6x = -30 + 4w

Divide each side by '-6'.
x = 5 + -0.6666666667w

Simplifying
x = 5 + -0.6666666667w

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