8y+7z=400

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Solution for 8y+7z=400 equation: 


Simplifying
8y + 7z = 400

Solving
8y + 7z = 400

Solving for variable 'y'.

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

Add '-7z' to each side of the equation.
8y + 7z + -7z = 400 + -7z

Combine like terms: 7z + -7z = 0
8y + 0 = 400 + -7z
8y = 400 + -7z

Divide each side by '8'.
y = 50 + -0.875z

Simplifying
y = 50 + -0.875z

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