Answer:
x= first number y= second
x=2y+9 and x+y=129, these are the equations...solving gives x=89,y=40
Step-by-step explanation:
You would distribute each number. Then afterwards simplify what you have into standard form. Once you have it in standard form you use the quadratic formula. The end answers are 1 and 7
Answer:
$(25+5x) or $5(5+x)
Step-by-step explanation:
multiply x with $5 = $5x
add $25 to $5x = $(25+5x)