3(3)-4y=7

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Solution for 3(3)-4y=7 equation: 


Simplifying
3(3) + -4y = 7

Multiply 3 * 3
9 + -4y = 7

Solving
9 + -4y = 7

Solving for variable 'y'.

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

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

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

Combine like terms: 7 + -9 = -2
-4y = -2

Divide each side by '-4'.
y = 0.5

Simplifying
y = 0.5

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