3(1-2)=15-4y

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Solution for 3(1-2)=15-4y equation:


Simplifying
3(1 + -2) = 15 + -4y

Combine like terms: 1 + -2 = -1
3(-1) = 15 + -4y

Multiply 3 * -1
-3 = 15 + -4y

Solving
-3 = 15 + -4y

Solving for variable 'y'.

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

Add '4y' to each side of the equation.
-3 + 4y = 15 + -4y + 4y

Combine like terms: -4y + 4y = 0
-3 + 4y = 15 + 0
-3 + 4y = 15

Add '3' to each side of the equation.
-3 + 3 + 4y = 15 + 3

Combine like terms: -3 + 3 = 0
0 + 4y = 15 + 3
4y = 15 + 3

Combine like terms: 15 + 3 = 18
4y = 18

Divide each side by '4'.
y = 4.5

Simplifying
y = 4.5

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