Question 1123992
System of Equations:
Let bigger number = X
Let smaller number = Y

{{{X+Y=63}}}
{{{X=4Y-12}}}

Plug in:

{{{(4Y-12)+Y=63}}}
{{{4Y+Y-12=63}}}
{{{5Y=75}}}
{{{Y=15}}}

{{{X=4(15)-12}}}
{{{X=48}}}

The two numbers are 48 and 15