100y+400=-400y+800

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Solution for 100y+400=-400y+800 equation:


Simplifying
100y + 400 = -400y + 800

Reorder the terms:
400 + 100y = -400y + 800

Reorder the terms:
400 + 100y = 800 + -400y

Solving
400 + 100y = 800 + -400y

Solving for variable 'y'.

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

Add '400y' to each side of the equation.
400 + 100y + 400y = 800 + -400y + 400y

Combine like terms: 100y + 400y = 500y
400 + 500y = 800 + -400y + 400y

Combine like terms: -400y + 400y = 0
400 + 500y = 800 + 0
400 + 500y = 800

Add '-400' to each side of the equation.
400 + -400 + 500y = 800 + -400

Combine like terms: 400 + -400 = 0
0 + 500y = 800 + -400
500y = 800 + -400

Combine like terms: 800 + -400 = 400
500y = 400

Divide each side by '500'.
y = 0.8

Simplifying
y = 0.8

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