Asked by wisdomchidozie

4x+6y=21
7x-3y=3

Answers

Answered by R_scott
multiply the 2nd equation by 2 , and add the result to the 1st equation
...this will eliminate the x-term

solve the resulting equation for y
... substitute back to find x
Answered by oobleck
actually, if you follow step 1, you eliminate y. But then just use the x value obtained to find y.