Question

If a plus B equals 2X -2 and a minus b equals 4X -8 find a and B

Answer 1

hi there,
A+B=2x-2
A-B=4x-8
A+B+A-B=2x-2+4x-8
2A=6x-10
A=3x-5
3x-5+b=2x-2
b=2x-2-3x+5
b=-x+3
therefore A=3x-5,B=-x+3
i hope this helps u...