-7y+3(y+5)=31

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Solution for -7y+3(y+5)=31 equation:


Simplifying
-7y + 3(y + 5) = 31

Reorder the terms:
-7y + 3(5 + y) = 31
-7y + (5 * 3 + y * 3) = 31
-7y + (15 + 3y) = 31

Reorder the terms:
15 + -7y + 3y = 31

Combine like terms: -7y + 3y = -4y
15 + -4y = 31

Solving
15 + -4y = 31

Solving for variable 'y'.

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

Add '-15' to each side of the equation.
15 + -15 + -4y = 31 + -15

Combine like terms: 15 + -15 = 0
0 + -4y = 31 + -15
-4y = 31 + -15

Combine like terms: 31 + -15 = 16
-4y = 16

Divide each side by '-4'.
y = -4

Simplifying
y = -4

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