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

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


Simplifying
3(3 + -1y) + 4y = 7
(3 * 3 + -1y * 3) + 4y = 7
(9 + -3y) + 4y = 7

Combine like terms: -3y + 4y = 1y
9 + 1y = 7

Solving
9 + 1y = 7

Solving for variable 'y'.

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

Add '-9' to each side of the equation.
9 + -9 + 1y = 7 + -9

Combine like terms: 9 + -9 = 0
0 + 1y = 7 + -9
1y = 7 + -9

Combine like terms: 7 + -9 = -2
1y = -2

Divide each side by '1'.
y = -2

Simplifying
y = -2

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