0.18y+0.07(y+4000)=1280

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Solution for 0.18y+0.07(y+4000)=1280 equation:


Simplifying
0.18y + 0.07(y + 4000) = 1280

Reorder the terms:
0.18y + 0.07(4000 + y) = 1280
0.18y + (4000 * 0.07 + y * 0.07) = 1280
0.18y + (280 + 0.07y) = 1280

Reorder the terms:
280 + 0.18y + 0.07y = 1280

Combine like terms: 0.18y + 0.07y = 0.25y
280 + 0.25y = 1280

Solving
280 + 0.25y = 1280

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 = 1280 + -280

Combine like terms: 280 + -280 = 0
0 + 0.25y = 1280 + -280
0.25y = 1280 + -280

Combine like terms: 1280 + -280 = 1000
0.25y = 1000

Divide each side by '0.25'.
y = 4000

Simplifying
y = 4000

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