3(y-3)+4=2[-(y-5)-4(2y+1)]

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Solution for 3(y-3)+4=2[-(y-5)-4(2y+1)] equation:


Simplifying
3(y + -3) + 4 = 2[-1(y + -5) + -4(2y + 1)]

Reorder the terms:
3(-3 + y) + 4 = 2[-1(y + -5) + -4(2y + 1)]
(-3 * 3 + y * 3) + 4 = 2[-1(y + -5) + -4(2y + 1)]
(-9 + 3y) + 4 = 2[-1(y + -5) + -4(2y + 1)]

Reorder the terms:
-9 + 4 + 3y = 2[-1(y + -5) + -4(2y + 1)]

Combine like terms: -9 + 4 = -5
-5 + 3y = 2[-1(y + -5) + -4(2y + 1)]

Reorder the terms:
-5 + 3y = 2[-1(-5 + y) + -4(2y + 1)]
-5 + 3y = 2[(-5 * -1 + y * -1) + -4(2y + 1)]
-5 + 3y = 2[(5 + -1y) + -4(2y + 1)]

Reorder the terms:
-5 + 3y = 2[5 + -1y + -4(1 + 2y)]
-5 + 3y = 2[5 + -1y + (1 * -4 + 2y * -4)]
-5 + 3y = 2[5 + -1y + (-4 + -8y)]

Reorder the terms:
-5 + 3y = 2[5 + -4 + -1y + -8y]

Combine like terms: 5 + -4 = 1
-5 + 3y = 2[1 + -1y + -8y]

Combine like terms: -1y + -8y = -9y
-5 + 3y = 2[1 + -9y]
-5 + 3y = [1 * 2 + -9y * 2]
-5 + 3y = [2 + -18y]

Solving
-5 + 3y = 2 + -18y

Solving for variable 'y'.

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

Add '18y' to each side of the equation.
-5 + 3y + 18y = 2 + -18y + 18y

Combine like terms: 3y + 18y = 21y
-5 + 21y = 2 + -18y + 18y

Combine like terms: -18y + 18y = 0
-5 + 21y = 2 + 0
-5 + 21y = 2

Add '5' to each side of the equation.
-5 + 5 + 21y = 2 + 5

Combine like terms: -5 + 5 = 0
0 + 21y = 2 + 5
21y = 2 + 5

Combine like terms: 2 + 5 = 7
21y = 7

Divide each side by '21'.
y = 0.3333333333

Simplifying
y = 0.3333333333

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