0.12(y-1)+0.02y=0.04y-0.01(40)

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Solution for 0.12(y-1)+0.02y=0.04y-0.01(40) equation:


Simplifying
0.12(y + -1) + 0.02y = 0.04y + -0.01(40)

Reorder the terms:
0.12(-1 + y) + 0.02y = 0.04y + -0.01(40)
(-1 * 0.12 + y * 0.12) + 0.02y = 0.04y + -0.01(40)
(-0.12 + 0.12y) + 0.02y = 0.04y + -0.01(40)

Combine like terms: 0.12y + 0.02y = 0.14y
-0.12 + 0.14y = 0.04y + -0.01(40)

Multiply -0.01 * 40
-0.12 + 0.14y = 0.04y + -0.4

Reorder the terms:
-0.12 + 0.14y = -0.4 + 0.04y

Solving
-0.12 + 0.14y = -0.4 + 0.04y

Solving for variable 'y'.

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

Add '-0.04y' to each side of the equation.
-0.12 + 0.14y + -0.04y = -0.4 + 0.04y + -0.04y

Combine like terms: 0.14y + -0.04y = 0.1y
-0.12 + 0.1y = -0.4 + 0.04y + -0.04y

Combine like terms: 0.04y + -0.04y = 0.00
-0.12 + 0.1y = -0.4 + 0.00
-0.12 + 0.1y = -0.4

Add '0.12' to each side of the equation.
-0.12 + 0.12 + 0.1y = -0.4 + 0.12

Combine like terms: -0.12 + 0.12 = 0.00
0.00 + 0.1y = -0.4 + 0.12
0.1y = -0.4 + 0.12

Combine like terms: -0.4 + 0.12 = -0.28
0.1y = -0.28

Divide each side by '0.1'.
y = -2.8

Simplifying
y = -2.8

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