4y-(y+7)=9

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Solution for 4y-(y+7)=9 equation:


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

Reorder the terms:
4y + -1(7 + y) = 9
4y + (7 * -1 + y * -1) = 9
4y + (-7 + -1y) = 9

Reorder the terms:
-7 + 4y + -1y = 9

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

Solving
-7 + 3y = 9

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 + 3y = 9 + 7

Combine like terms: -7 + 7 = 0
0 + 3y = 9 + 7
3y = 9 + 7

Combine like terms: 9 + 7 = 16
3y = 16

Divide each side by '3'.
y = 5.333333333

Simplifying
y = 5.333333333

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