0.02y+0.15(7000-y)=0.12y

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Solution for 0.02y+0.15(7000-y)=0.12y equation: 


Simplifying
0.02y + 0.15(7000 + -1y) = 0.12y
0.02y + (7000 * 0.15 + -1y * 0.15) = 0.12y
0.02y + (1050 + -0.15y) = 0.12y

Reorder the terms:
1050 + 0.02y + -0.15y = 0.12y

Combine like terms: 0.02y + -0.15y = -0.13y
1050 + -0.13y = 0.12y

Solving
1050 + -0.13y = 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.
1050 + -0.13y + -0.12y = 0.12y + -0.12y

Combine like terms: -0.13y + -0.12y = -0.25y
1050 + -0.25y = 0.12y + -0.12y

Combine like terms: 0.12y + -0.12y = 0.00
1050 + -0.25y = 0.00

Add '-1050' to each side of the equation.
1050 + -1050 + -0.25y = 0.00 + -1050

Combine like terms: 1050 + -1050 = 0
0 + -0.25y = 0.00 + -1050
-0.25y = 0.00 + -1050

Combine like terms: 0.00 + -1050 = -1050
-0.25y = -1050

Divide each side by '-0.25'.
y = 4200

Simplifying
y = 4200

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