x-2y=4
lets solve for x
x−2y=4
Step 1: add 2y to both sides
x−2y+2y=4+2y
x=2y+4
Answer
x=2y+4
2y-y=-1
Let's solve for x
2x−y=−1
Step 1:Add y to both sides
2x−y+y=−1+y
2x=y−1
Step 2: Divide both sides by 2
2x/2 =y-1/2
x=1/2y + -1/2
Answer
x= 1/2y + -1/2
