Question

a +3b= 5 7a- 8b = 6 by simultaneous linear equations method​

Answer 1

Step-by-step explanation:

1. a+3b=5
2. 7a-8b=6

Multiple 7 in equation 1.

7a+21b=35

7a-8b=-6

- + =+

29b=29

• b=1

Put1 in equation

a+3b=5

• a=2