5(y-6)+7(y+1)=25

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Solution for 5(y-6)+7(y+1)=25 equation:


Simplifying
5(y + -6) + 7(y + 1) = 25

Reorder the terms:
5(-6 + y) + 7(y + 1) = 25
(-6 * 5 + y * 5) + 7(y + 1) = 25
(-30 + 5y) + 7(y + 1) = 25

Reorder the terms:
-30 + 5y + 7(1 + y) = 25
-30 + 5y + (1 * 7 + y * 7) = 25
-30 + 5y + (7 + 7y) = 25

Reorder the terms:
-30 + 7 + 5y + 7y = 25

Combine like terms: -30 + 7 = -23
-23 + 5y + 7y = 25

Combine like terms: 5y + 7y = 12y
-23 + 12y = 25

Solving
-23 + 12y = 25

Solving for variable 'y'.

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

Add '23' to each side of the equation.
-23 + 23 + 12y = 25 + 23

Combine like terms: -23 + 23 = 0
0 + 12y = 25 + 23
12y = 25 + 23

Combine like terms: 25 + 23 = 48
12y = 48

Divide each side by '12'.
y = 4

Simplifying
y = 4

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