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Solve the equation for y. 4.2x-1.4y=2.1
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Solve the equation for y. 4.2x-1.4y=2.1

User Fyodor Yemelyanenko
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1 Answer

2 votes

Subtract 2.1 from both sides:


4.2x-1.4y-2.1=0

Add 1.4y to both sides:


4.2x-2.1=1.4y

Of course, we can rewrite this as


1.4y=4.2x-2.1

Divide both sides by 1.4


y = (4.2)/(1.4)x - (2.1)/(1.4) = 3x - 1.5

User Mikelis Kaneps
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