2y-(y-3)=7+5

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Solution for 2y-(y-3)=7+5 equation:


Simplifying
2y + -1(y + -3) = 7 + 5

Reorder the terms:
2y + -1(-3 + y) = 7 + 5
2y + (-3 * -1 + y * -1) = 7 + 5
2y + (3 + -1y) = 7 + 5

Reorder the terms:
3 + 2y + -1y = 7 + 5

Combine like terms: 2y + -1y = 1y
3 + 1y = 7 + 5

Combine like terms: 7 + 5 = 12
3 + 1y = 12

Solving
3 + 1y = 12

Solving for variable 'y'.

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

Add '-3' to each side of the equation.
3 + -3 + 1y = 12 + -3

Combine like terms: 3 + -3 = 0
0 + 1y = 12 + -3
1y = 12 + -3

Combine like terms: 12 + -3 = 9
1y = 9

Divide each side by '1'.
y = 9

Simplifying
y = 9

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