A = 7L
A+6 = 5(L+6)
Sub for A in second equation
7L + 6 = 5L+30
sub 5L from both sides
2L + 6 = 30
subtract 6 from both sides
2L =24
L = 12
Sub in 1
A = 84
Check in 2
84 + 6 = 60 + 30
Answer checks. Anne is a very old lady.
A+6 = 5(L+6)
Sub for A in second equation
7L + 6 = 5L+30
sub 5L from both sides
2L + 6 = 30
subtract 6 from both sides
2L =24
L = 12
Sub in 1
A = 84
Check in 2
84 + 6 = 60 + 30
Answer checks. Anne is a very old lady.