Question

Solve the Simultaneous Equations: a+b= 3 & a-b= -7
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Answer 1

Answer:

a=5

b=-2 is value of a and b

Answer 2

Step-by-step explanation:

a+b= 3& a-b= -7

then add both the eqn.

we get

2a =-4

a = -2

substitute the value of a in eqn. 1

-2 +b =3

+b = 3+2

b= 5

a= -2 & b=5

Done.