SOLUTION: Find the value of y for the given value of x using two methods. First, substitute the value of x into the equation and then solve for y. second, solve for y and then substitute the

SOLUTION: Find the value of y for the given value of x using two methods. First, substitute the value of x into the equation and then solve for y. second, solve for y and then substitute the

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Question 332623: Find the value of y for the given value of x using two methods. First, substitute the value of x into the equation and then solve for y. second, solve for y and then substitute the value of x into the equation.
4x+9y=30; x:3
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

Do the arithmetic.

Add

to both sides, then multiply by

Then insert 3 in place of

and do the arithmetic again. If you don't get the same answer both times, check your arithmetic.

John

My calculator said it, I believe it, that settles it

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