The sum of two numbers is x If one of the numbers is 12, what is the other? 12 x
12- *
12 + x
x-12

X-12 will give the other number

What they said, x-12

I'll do the first one for you. it isn't very hard at all.on number one, you have (50 × 3), which equals 150, and (3 × 3), which equals 9. after you establish that, you add 150 and 9 together. so, (150 + 9) equals 159.this means that 53 × 3 = 159.