1.2y-8=.4(y+10)

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Solution for 1.2y-8=.4(y+10) equation:


Simplifying
1.2y + -8 = 0.4(y + 10)

Reorder the terms:
-8 + 1.2y = 0.4(y + 10)

Reorder the terms:
-8 + 1.2y = 0.4(10 + y)
-8 + 1.2y = (10 * 0.4 + y * 0.4)
-8 + 1.2y = (4 + 0.4y)

Solving
-8 + 1.2y = 4 + 0.4y

Solving for variable 'y'.

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

Add '-0.4y' to each side of the equation.
-8 + 1.2y + -0.4y = 4 + 0.4y + -0.4y

Combine like terms: 1.2y + -0.4y = 0.8y
-8 + 0.8y = 4 + 0.4y + -0.4y

Combine like terms: 0.4y + -0.4y = 0.0
-8 + 0.8y = 4 + 0.0
-8 + 0.8y = 4

Add '8' to each side of the equation.
-8 + 8 + 0.8y = 4 + 8

Combine like terms: -8 + 8 = 0
0 + 0.8y = 4 + 8
0.8y = 4 + 8

Combine like terms: 4 + 8 = 12
0.8y = 12

Divide each side by '0.8'.
y = 15

Simplifying
y = 15

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