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7y-21/5=-4y/1
We simplify the equation to the form, which is simple to understand
7y-21/5=-4y/1
Simplifying:
7y-4.2=-4y/1
Simplifying:
7y-4.2=-4y
We move all terms containing y to the left and all other terms to the right.
+7y+4y=+4.2
We simplify left and right side of the equation.
+11y=+4.2
We divide both sides of the equation by 11 to get y.
y=0.381818181818
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