8(y-4)+7(y+2)=12

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Solution for 8(y-4)+7(y+2)=12 equation:


Simplifying
8(y + -4) + 7(y + 2) = 12

Reorder the terms:
8(-4 + y) + 7(y + 2) = 12
(-4 * 8 + y * 8) + 7(y + 2) = 12
(-32 + 8y) + 7(y + 2) = 12

Reorder the terms:
-32 + 8y + 7(2 + y) = 12
-32 + 8y + (2 * 7 + y * 7) = 12
-32 + 8y + (14 + 7y) = 12

Reorder the terms:
-32 + 14 + 8y + 7y = 12

Combine like terms: -32 + 14 = -18
-18 + 8y + 7y = 12

Combine like terms: 8y + 7y = 15y
-18 + 15y = 12

Solving
-18 + 15y = 12

Solving for variable 'y'.

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

Add '18' to each side of the equation.
-18 + 18 + 15y = 12 + 18

Combine like terms: -18 + 18 = 0
0 + 15y = 12 + 18
15y = 12 + 18

Combine like terms: 12 + 18 = 30
15y = 30

Divide each side by '15'.
y = 2

Simplifying
y = 2

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