Question

Find the value of a, b, c and d from the equation:
a-b=-1, 2a+c=5
2a-b=0, 3c+d=13

Answer 1

Answer:

the value of a=1 , b=2 ,c= 3 and d= 4

Answer 2

Answer:

a-b= -1

a= b-1 EQ-1

2a-b=0

a= b/2

so , b-1 =b/2

b=2

then by putting value

a=1

c=3

d=4

solved