7(y+5)+3(16-y)=135

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Solution for 7(y+5)+3(16-y)=135 equation:


Simplifying
7(y + 5) + 3(16 + -1y) = 135

Reorder the terms:
7(5 + y) + 3(16 + -1y) = 135
(5 * 7 + y * 7) + 3(16 + -1y) = 135
(35 + 7y) + 3(16 + -1y) = 135
35 + 7y + (16 * 3 + -1y * 3) = 135
35 + 7y + (48 + -3y) = 135

Reorder the terms:
35 + 48 + 7y + -3y = 135

Combine like terms: 35 + 48 = 83
83 + 7y + -3y = 135

Combine like terms: 7y + -3y = 4y
83 + 4y = 135

Solving
83 + 4y = 135

Solving for variable 'y'.

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

Add '-83' to each side of the equation.
83 + -83 + 4y = 135 + -83

Combine like terms: 83 + -83 = 0
0 + 4y = 135 + -83
4y = 135 + -83

Combine like terms: 135 + -83 = 52
4y = 52

Divide each side by '4'.
y = 13

Simplifying
y = 13

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