Question

solve a + 2b =2d
a= 2c
3a + 2b =6c + d
if d = 1 ​

Answer 1

a=2c

a+2b=2d

2c+2b=2......1

6c+2b=6c+1.....2

2b=1

b=1/2

now apply b on 1,

2(c+1/2)=2

c+1/2=1

c=1/2

a=2×c

a=2×1/2

a=1