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

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


Simplifying
8(w + -5) + -1(w + -4) = 15

Reorder the terms:
8(-5 + w) + -1(w + -4) = 15
(-5 * 8 + w * 8) + -1(w + -4) = 15
(-40 + 8w) + -1(w + -4) = 15

Reorder the terms:
-40 + 8w + -1(-4 + w) = 15
-40 + 8w + (-4 * -1 + w * -1) = 15
-40 + 8w + (4 + -1w) = 15

Reorder the terms:
-40 + 4 + 8w + -1w = 15

Combine like terms: -40 + 4 = -36
-36 + 8w + -1w = 15

Combine like terms: 8w + -1w = 7w
-36 + 7w = 15

Solving
-36 + 7w = 15

Solving for variable 'w'.

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

Add '36' to each side of the equation.
-36 + 36 + 7w = 15 + 36

Combine like terms: -36 + 36 = 0
0 + 7w = 15 + 36
7w = 15 + 36

Combine like terms: 15 + 36 = 51
7w = 51

Divide each side by '7'.
w = 7.285714286

Simplifying
w = 7.285714286

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