-3y+7=-9y+4a

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Solution for -3y+7=-9y+4a equation:


Simplifying
-3y + 7 = -9y + 4a

Reorder the terms:
7 + -3y = -9y + 4a

Reorder the terms:
7 + -3y = 4a + -9y

Solving
7 + -3y = 4a + -9y

Solving for variable 'y'.

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

Add '9y' to each side of the equation.
7 + -3y + 9y = 4a + -9y + 9y

Combine like terms: -3y + 9y = 6y
7 + 6y = 4a + -9y + 9y

Combine like terms: -9y + 9y = 0
7 + 6y = 4a + 0
7 + 6y = 4a

Add '-7' to each side of the equation.
7 + -7 + 6y = -7 + 4a

Combine like terms: 7 + -7 = 0
0 + 6y = -7 + 4a
6y = -7 + 4a

Divide each side by '6'.
y = -1.166666667 + 0.6666666667a

Simplifying
y = -1.166666667 + 0.6666666667a

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