2(w-7)=7w+21

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


Simplifying
2(w + -7) = 7w + 21

Reorder the terms:
2(-7 + w) = 7w + 21
(-7 * 2 + w * 2) = 7w + 21
(-14 + 2w) = 7w + 21

Reorder the terms:
-14 + 2w = 21 + 7w

Solving
-14 + 2w = 21 + 7w

Solving for variable 'w'.

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

Add '-7w' to each side of the equation.
-14 + 2w + -7w = 21 + 7w + -7w

Combine like terms: 2w + -7w = -5w
-14 + -5w = 21 + 7w + -7w

Combine like terms: 7w + -7w = 0
-14 + -5w = 21 + 0
-14 + -5w = 21

Add '14' to each side of the equation.
-14 + 14 + -5w = 21 + 14

Combine like terms: -14 + 14 = 0
0 + -5w = 21 + 14
-5w = 21 + 14

Combine like terms: 21 + 14 = 35
-5w = 35

Divide each side by '-5'.
w = -7

Simplifying
w = -7

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