7y+3(y-4)=5(y+1)-3

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Solution for 7y+3(y-4)=5(y+1)-3 equation:


Simplifying
7y + 3(y + -4) = 5(y + 1) + -3

Reorder the terms:
7y + 3(-4 + y) = 5(y + 1) + -3
7y + (-4 * 3 + y * 3) = 5(y + 1) + -3
7y + (-12 + 3y) = 5(y + 1) + -3

Reorder the terms:
-12 + 7y + 3y = 5(y + 1) + -3

Combine like terms: 7y + 3y = 10y
-12 + 10y = 5(y + 1) + -3

Reorder the terms:
-12 + 10y = 5(1 + y) + -3
-12 + 10y = (1 * 5 + y * 5) + -3
-12 + 10y = (5 + 5y) + -3

Reorder the terms:
-12 + 10y = 5 + -3 + 5y

Combine like terms: 5 + -3 = 2
-12 + 10y = 2 + 5y

Solving
-12 + 10y = 2 + 5y

Solving for variable 'y'.

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

Add '-5y' to each side of the equation.
-12 + 10y + -5y = 2 + 5y + -5y

Combine like terms: 10y + -5y = 5y
-12 + 5y = 2 + 5y + -5y

Combine like terms: 5y + -5y = 0
-12 + 5y = 2 + 0
-12 + 5y = 2

Add '12' to each side of the equation.
-12 + 12 + 5y = 2 + 12

Combine like terms: -12 + 12 = 0
0 + 5y = 2 + 12
5y = 2 + 12

Combine like terms: 2 + 12 = 14
5y = 14

Divide each side by '5'.
y = 2.8

Simplifying
y = 2.8

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