Question

Salve equation
2a + b = 4
a - 2b = -3​

Answer 1

Answer:

a=1

b=2

Step-by-step explanation:

Multiplying 2 to equation 1 we get

4a + 2b = 8 — equation 3

adding equation 2 and 3 we get

5a = 5

a = 1

substituting a = 1 in equation 1 we get

2 + b = 4

so b = 2