-2(3w+6)-4(w-3)=21

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Solution for -2(3w+6)-4(w-3)=21 equation: 


Simplifying
-2(3w + 6) + -4(w + -3) = 21

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

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

Reorder the terms:
-12 + 12 + -6w + -4w = 21

Combine like terms: -12 + 12 = 0
0 + -6w + -4w = 21
-6w + -4w = 21

Combine like terms: -6w + -4w = -10w
-10w = 21

Solving
-10w = 21

Solving for variable 'w'.

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

Divide each side by '-10'.
w = -2.1

Simplifying
w = -2.1

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