SOLUTION: how do I use substitution to solve the linear system for X + 3/4y = 3/4 2y = 4x + 16 by the way its not from a text book

Question 31075: how do I use substitution to solve the linear system for
X + 3/4y = 3/4
2y = 4x + 16

by the way its not from a text book

Answer by aussie7us(3) (Show Source): You can put this solution on YOUR website!
Try to get the X or Y variable isolated on one side.
So you could do-

then plug it into the other equation

distribute

add 3y to both sides

and divide by five

Then plug it back into the first equation.

multiply

subtract 15/16 from both sides

OR YOU COULD GO THE OTHER WAY AND WORK OUT X AND THEN Y. (this one showed first y and then 'plugged in' x)

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