2y+(y-1)*3=7

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Solution for 2y+(y-1)*3=7 equation:


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

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

Reorder the terms for easier multiplication:
2y + 3(-1 + y) = 7
2y + (-1 * 3 + y * 3) = 7
2y + (-3 + 3y) = 7

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

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

Solving
-3 + 5y = 7

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 + 5y = 7 + 3

Combine like terms: -3 + 3 = 0
0 + 5y = 7 + 3
5y = 7 + 3

Combine like terms: 7 + 3 = 10
5y = 10

Divide each side by '5'.
y = 2

Simplifying
y = 2

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