Question 411251
two numbers, x & y
:
write an equation for each statement
:
"One number is 4 plus one-half of another."
x = {{{1/2}}}y + 4
get rid of the fraction, multiply by 2 and you have:
2x = y + 8
:
"The sum of the numbers is 31. "
x + y = 31
y = (31-x); use this for substitution