7(w-1)+2(w-3)=23

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Solution for 7(w-1)+2(w-3)=23 equation:


Simplifying
7(w + -1) + 2(w + -3) = 23

Reorder the terms:
7(-1 + w) + 2(w + -3) = 23
(-1 * 7 + w * 7) + 2(w + -3) = 23
(-7 + 7w) + 2(w + -3) = 23

Reorder the terms:
-7 + 7w + 2(-3 + w) = 23
-7 + 7w + (-3 * 2 + w * 2) = 23
-7 + 7w + (-6 + 2w) = 23

Reorder the terms:
-7 + -6 + 7w + 2w = 23

Combine like terms: -7 + -6 = -13
-13 + 7w + 2w = 23

Combine like terms: 7w + 2w = 9w
-13 + 9w = 23

Solving
-13 + 9w = 23

Solving for variable 'w'.

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

Add '13' to each side of the equation.
-13 + 13 + 9w = 23 + 13

Combine like terms: -13 + 13 = 0
0 + 9w = 23 + 13
9w = 23 + 13

Combine like terms: 23 + 13 = 36
9w = 36

Divide each side by '9'.
w = 4

Simplifying
w = 4

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