3=4(y+3)-7y

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


Simplifying
3 = 4(y + 3) + -7y

Reorder the terms:
3 = 4(3 + y) + -7y
3 = (3 * 4 + y * 4) + -7y
3 = (12 + 4y) + -7y

Combine like terms: 4y + -7y = -3y
3 = 12 + -3y

Solving
3 = 12 + -3y

Solving for variable 'y'.

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

Add '3y' to each side of the equation.
3 + 3y = 12 + -3y + 3y

Combine like terms: -3y + 3y = 0
3 + 3y = 12 + 0
3 + 3y = 12

Add '-3' to each side of the equation.
3 + -3 + 3y = 12 + -3

Combine like terms: 3 + -3 = 0
0 + 3y = 12 + -3
3y = 12 + -3

Combine like terms: 12 + -3 = 9
3y = 9

Divide each side by '3'.
y = 3

Simplifying
y = 3

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