0.20(y-7)+0.10y=0.02y-0.01(70)

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Solution for 0.20(y-7)+0.10y=0.02y-0.01(70) equation: 


Simplifying
0.20(y + -7) + 0.10y = 0.02y + -0.01(70)

Reorder the terms:
0.20(-7 + y) + 0.10y = 0.02y + -0.01(70)
(-7 * 0.20 + y * 0.20) + 0.10y = 0.02y + -0.01(70)
(-1.4 + 0.20y) + 0.10y = 0.02y + -0.01(70)

Combine like terms: 0.20y + 0.10y = 0.3y
-1.4 + 0.3y = 0.02y + -0.01(70)

Multiply -0.01 * 70
-1.4 + 0.3y = 0.02y + -0.7

Reorder the terms:
-1.4 + 0.3y = -0.7 + 0.02y

Solving
-1.4 + 0.3y = -0.7 + 0.02y

Solving for variable 'y'.

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

Add '-0.02y' to each side of the equation.
-1.4 + 0.3y + -0.02y = -0.7 + 0.02y + -0.02y

Combine like terms: 0.3y + -0.02y = 0.28y
-1.4 + 0.28y = -0.7 + 0.02y + -0.02y

Combine like terms: 0.02y + -0.02y = 0.00
-1.4 + 0.28y = -0.7 + 0.00
-1.4 + 0.28y = -0.7

Add '1.4' to each side of the equation.
-1.4 + 1.4 + 0.28y = -0.7 + 1.4

Combine like terms: -1.4 + 1.4 = 0.0
0.0 + 0.28y = -0.7 + 1.4
0.28y = -0.7 + 1.4

Combine like terms: -0.7 + 1.4 = 0.7
0.28y = 0.7

Divide each side by '0.28'.
y = 2.5

Simplifying
y = 2.5

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