3y+(7+y)=31

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


Simplifying
3y + (7 + y) = 31

Remove parenthesis around (7 + y)
3y + 7 + y = 31

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

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

Solving
7 + 4y = 31

Solving for variable 'y'.

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

Add '-7' to each side of the equation.
7 + -7 + 4y = 31 + -7

Combine like terms: 7 + -7 = 0
0 + 4y = 31 + -7
4y = 31 + -7

Combine like terms: 31 + -7 = 24
4y = 24

Divide each side by '4'.
y = 6

Simplifying
y = 6

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