Find the smaller number.

Question

One number is 1 less than a second number.

Twice the second number is 4 less than 3 times the first.

Find the smaller number.

Answer 1

Let X1 be first number X2 be second. 

X1=X2-1

2X2=3*X1-4

 

2X2=3X2-3-4

 

X2=7

X1=6

 

so smaller number is 6