0.20(y-7)+0.02y=0.12y-1

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Solution for 0.20(y-7)+0.02y=0.12y-1 equation: 


Simplifying
0.20(y + -7) + 0.02y = 0.12y + -1

Reorder the terms:
0.20(-7 + y) + 0.02y = 0.12y + -1
(-7 * 0.20 + y * 0.20) + 0.02y = 0.12y + -1
(-1.4 + 0.20y) + 0.02y = 0.12y + -1

Combine like terms: 0.20y + 0.02y = 0.22y
-1.4 + 0.22y = 0.12y + -1

Reorder the terms:
-1.4 + 0.22y = -1 + 0.12y

Solving
-1.4 + 0.22y = -1 + 0.12y

Solving for variable 'y'.

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

Add '-0.12y' to each side of the equation.
-1.4 + 0.22y + -0.12y = -1 + 0.12y + -0.12y

Combine like terms: 0.22y + -0.12y = 0.1y
-1.4 + 0.1y = -1 + 0.12y + -0.12y

Combine like terms: 0.12y + -0.12y = 0.00
-1.4 + 0.1y = -1 + 0.00
-1.4 + 0.1y = -1

Add '1.4' to each side of the equation.
-1.4 + 1.4 + 0.1y = -1 + 1.4

Combine like terms: -1.4 + 1.4 = 0.0
0.0 + 0.1y = -1 + 1.4
0.1y = -1 + 1.4

Combine like terms: -1 + 1.4 = 0.4
0.1y = 0.4

Divide each side by '0.1'.
y = 4

Simplifying
y = 4

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