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700=400+490y
We simplify the equation to the form, which is simple to understand
700=400+490y
We move all terms containing y to the left and all other terms to the right.
-490y=+400-700
We simplify left and right side of the equation.
-490y=-300
We divide both sides of the equation by -0490 to get y.
y=0.61224489795918
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