5(y-5)+8(y+1)=61

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Solution for 5(y-5)+8(y+1)=61 equation:


Simplifying
5(y + -5) + 8(y + 1) = 61

Reorder the terms:
5(-5 + y) + 8(y + 1) = 61
(-5 * 5 + y * 5) + 8(y + 1) = 61
(-25 + 5y) + 8(y + 1) = 61

Reorder the terms:
-25 + 5y + 8(1 + y) = 61
-25 + 5y + (1 * 8 + y * 8) = 61
-25 + 5y + (8 + 8y) = 61

Reorder the terms:
-25 + 8 + 5y + 8y = 61

Combine like terms: -25 + 8 = -17
-17 + 5y + 8y = 61

Combine like terms: 5y + 8y = 13y
-17 + 13y = 61

Solving
-17 + 13y = 61

Solving for variable 'y'.

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

Add '17' to each side of the equation.
-17 + 17 + 13y = 61 + 17

Combine like terms: -17 + 17 = 0
0 + 13y = 61 + 17
13y = 61 + 17

Combine like terms: 61 + 17 = 78
13y = 78

Divide each side by '13'.
y = 6

Simplifying
y = 6

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