Question

0.4(2n-3) =1.2 (4-n)*7/2

Answer 1

0. 4×(2n-3) =1.2×(4-n) ×7/2

0. 8n-1.2=(4.8-1.2n)×7/2

0.8n-1.2=(2.4-0.6n) ×7

0.8n-1.2=16.8-4.2n

0.8n+4.2n=16.8+1.2

5n=18

n=3.6

Answer 2

0.8n-1.2=(4.8-1.2n)7/2
0.8n-1.2=16.8-4.2n
5n=18
n=18/5