3(4y-7)=18

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Solution for 3(4y-7)=18 equation: 


Simplifying
3(4y + -7) = 18

Reorder the terms:
3(-7 + 4y) = 18
(-7 * 3 + 4y * 3) = 18
(-21 + 12y) = 18

Solving
-21 + 12y = 18

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 + 12y = 18 + 21

Combine like terms: -21 + 21 = 0
0 + 12y = 18 + 21
12y = 18 + 21

Combine like terms: 18 + 21 = 39
12y = 39

Divide each side by '12'.
y = 3.25

Simplifying
y = 3.25

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