0.21y+0.04(y+7000)=2280

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Solution for 0.21y+0.04(y+7000)=2280 equation:


Simplifying
0.21y + 0.04(y + 7000) = 2280

Reorder the terms:
0.21y + 0.04(7000 + y) = 2280
0.21y + (7000 * 0.04 + y * 0.04) = 2280
0.21y + (280 + 0.04y) = 2280

Reorder the terms:
280 + 0.21y + 0.04y = 2280

Combine like terms: 0.21y + 0.04y = 0.25y
280 + 0.25y = 2280

Solving
280 + 0.25y = 2280

Solving for variable 'y'.

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

Add '-280' to each side of the equation.
280 + -280 + 0.25y = 2280 + -280

Combine like terms: 280 + -280 = 0
0 + 0.25y = 2280 + -280
0.25y = 2280 + -280

Combine like terms: 2280 + -280 = 2000
0.25y = 2000

Divide each side by '0.25'.
y = 8000

Simplifying
y = 8000

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