-6(y+7)+5(2y+12)+10=100

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Solution for -6(y+7)+5(2y+12)+10=100 equation:


Simplifying
-6(y + 7) + 5(2y + 12) + 10 = 100

Reorder the terms:
-6(7 + y) + 5(2y + 12) + 10 = 100
(7 * -6 + y * -6) + 5(2y + 12) + 10 = 100
(-42 + -6y) + 5(2y + 12) + 10 = 100

Reorder the terms:
-42 + -6y + 5(12 + 2y) + 10 = 100
-42 + -6y + (12 * 5 + 2y * 5) + 10 = 100
-42 + -6y + (60 + 10y) + 10 = 100

Reorder the terms:
-42 + 60 + 10 + -6y + 10y = 100

Combine like terms: -42 + 60 = 18
18 + 10 + -6y + 10y = 100

Combine like terms: 18 + 10 = 28
28 + -6y + 10y = 100

Combine like terms: -6y + 10y = 4y
28 + 4y = 100

Solving
28 + 4y = 100

Solving for variable 'y'.

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

Add '-28' to each side of the equation.
28 + -28 + 4y = 100 + -28

Combine like terms: 28 + -28 = 0
0 + 4y = 100 + -28
4y = 100 + -28

Combine like terms: 100 + -28 = 72
4y = 72

Divide each side by '4'.
y = 18

Simplifying
y = 18

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