-
a – 20 = b + 20… 1
2(b – 22) = a + 22… 2
We can juggle those around for
a = b +40 and
2b – 44 = a + 22 so 2b – 66 = a
The equations are now:
a = b + 40 and
a = 2b – 66
ELIMINATION METHOD:
b + 40 = 2b – 66 so 40 = b – 66 making b = 106.
Plug b = 106 into new equations 1 and 2 for:
a = 106 + 40 (new equation 1) and
a = 212 – 66 (new equation 2)
This gives a = 146 and b = 106