8(w-5)-7(w-4)=15

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Solution for 8(w-5)-7(w-4)=15 equation:


Simplifying
8(w + -5) + -7(w + -4) = 15

Reorder the terms:
8(-5 + w) + -7(w + -4) = 15
(-5 * 8 + w * 8) + -7(w + -4) = 15
(-40 + 8w) + -7(w + -4) = 15

Reorder the terms:
-40 + 8w + -7(-4 + w) = 15
-40 + 8w + (-4 * -7 + w * -7) = 15
-40 + 8w + (28 + -7w) = 15

Reorder the terms:
-40 + 28 + 8w + -7w = 15

Combine like terms: -40 + 28 = -12
-12 + 8w + -7w = 15

Combine like terms: 8w + -7w = 1w
-12 + 1w = 15

Solving
-12 + 1w = 15

Solving for variable 'w'.

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

Add '12' to each side of the equation.
-12 + 12 + 1w = 15 + 12

Combine like terms: -12 + 12 = 0
0 + 1w = 15 + 12
1w = 15 + 12

Combine like terms: 15 + 12 = 27
1w = 27

Divide each side by '1'.
w = 27

Simplifying
w = 27

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