What unknown number makes these equation true. 447+99 =447+100-

What unknown number makes these equations true 353-203 = 353-200-

What unknown number makes the equation true? A. 3 B. 6 C. 12 D. 18

An unknown number y is 12 more than an unknown number x. The number y is also x less than 17. The eq...

An unknown number y is 15 more than an unknown number x. The number y is also x less than 8. The equ...

An unknown number (b) is 10 more than an unknown number (k). The number (b) is also (k) less than 8....

An unknown number y is 20 more than an unknown number x. The number y is also x less than 2. The equ...

What unknown digit makes this edition problem true 356,312+43_ ,938=791250 a)4 b)5 c)3 d)6

Asked by Alyssa