2(3.5+.5y)+7y=31

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Solution for 2(3.5+.5y)+7y=31 equation:


Simplifying
2(3.5 + 0.5y) + 7y = 31
(3.5 * 2 + 0.5y * 2) + 7y = 31
(7 + 1y) + 7y = 31

Combine like terms: 1y + 7y = 8y
7 + 8y = 31

Solving
7 + 8y = 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 + 8y = 31 + -7

Combine like terms: 7 + -7 = 0
0 + 8y = 31 + -7
8y = 31 + -7

Combine like terms: 31 + -7 = 24
8y = 24

Divide each side by '8'.
y = 3

Simplifying
y = 3

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