8y+3(-4y+10)=y-15

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Solution for 8y+3(-4y+10)=y-15 equation:


Simplifying
8y + 3(-4y + 10) = y + -15

Reorder the terms:
8y + 3(10 + -4y) = y + -15
8y + (10 * 3 + -4y * 3) = y + -15
8y + (30 + -12y) = y + -15

Reorder the terms:
30 + 8y + -12y = y + -15

Combine like terms: 8y + -12y = -4y
30 + -4y = y + -15

Reorder the terms:
30 + -4y = -15 + y

Solving
30 + -4y = -15 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
30 + -4y + -1y = -15 + y + -1y

Combine like terms: -4y + -1y = -5y
30 + -5y = -15 + y + -1y

Combine like terms: y + -1y = 0
30 + -5y = -15 + 0
30 + -5y = -15

Add '-30' to each side of the equation.
30 + -30 + -5y = -15 + -30

Combine like terms: 30 + -30 = 0
0 + -5y = -15 + -30
-5y = -15 + -30

Combine like terms: -15 + -30 = -45
-5y = -45

Divide each side by '-5'.
y = 9

Simplifying
y = 9

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