3(3y-7)+y=8

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Solution for 3(3y-7)+y=8 equation:


Simplifying
3(3y + -7) + y = 8

Reorder the terms:
3(-7 + 3y) + y = 8
(-7 * 3 + 3y * 3) + y = 8
(-21 + 9y) + y = 8

Combine like terms: 9y + y = 10y
-21 + 10y = 8

Solving
-21 + 10y = 8

Solving for variable 'y'.

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

Add '21' to each side of the equation.
-21 + 21 + 10y = 8 + 21

Combine like terms: -21 + 21 = 0
0 + 10y = 8 + 21
10y = 8 + 21

Combine like terms: 8 + 21 = 29
10y = 29

Divide each side by '10'.
y = 2.9

Simplifying
y = 2.9

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