12y-42=2(4y-5)

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Solution for 12y-42=2(4y-5) equation:


Simplifying
12y + -42 = 2(4y + -5)

Reorder the terms:
-42 + 12y = 2(4y + -5)

Reorder the terms:
-42 + 12y = 2(-5 + 4y)
-42 + 12y = (-5 * 2 + 4y * 2)
-42 + 12y = (-10 + 8y)

Solving
-42 + 12y = -10 + 8y

Solving for variable 'y'.

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

Add '-8y' to each side of the equation.
-42 + 12y + -8y = -10 + 8y + -8y

Combine like terms: 12y + -8y = 4y
-42 + 4y = -10 + 8y + -8y

Combine like terms: 8y + -8y = 0
-42 + 4y = -10 + 0
-42 + 4y = -10

Add '42' to each side of the equation.
-42 + 42 + 4y = -10 + 42

Combine like terms: -42 + 42 = 0
0 + 4y = -10 + 42
4y = -10 + 42

Combine like terms: -10 + 42 = 32
4y = 32

Divide each side by '4'.
y = 8

Simplifying
y = 8

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