7(w-1)-2(w+1)=

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Solution for 7(w-1)-2(w+1)= equation:


Simplifying
7(w + -1) + -2(w + 1) = 0

Reorder the terms:
7(-1 + w) + -2(w + 1) = 0
(-1 * 7 + w * 7) + -2(w + 1) = 0
(-7 + 7w) + -2(w + 1) = 0

Reorder the terms:
-7 + 7w + -2(1 + w) = 0
-7 + 7w + (1 * -2 + w * -2) = 0
-7 + 7w + (-2 + -2w) = 0

Reorder the terms:
-7 + -2 + 7w + -2w = 0

Combine like terms: -7 + -2 = -9
-9 + 7w + -2w = 0

Combine like terms: 7w + -2w = 5w
-9 + 5w = 0

Solving
-9 + 5w = 0

Solving for variable 'w'.

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

Add '9' to each side of the equation.
-9 + 9 + 5w = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 5w = 0 + 9
5w = 0 + 9

Combine like terms: 0 + 9 = 9
5w = 9

Divide each side by '5'.
w = 1.8

Simplifying
w = 1.8

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