Please help me I don't know how to do this with 2 numbers

Step-by-step explanation:

since 84 is dividing u do the inverse which is multiplying

the 84 cancel each other out and m is alone with -4

m

now ur left with dis

since the 4 is subtracting u do the inverse and add 4

m

+4     +4

-4 and +4 cancel each other out and m is alone

47 + 4 = 51

hope dis helps ^-^

a triangular prism is a 3 dimensional shape composed of triangles and rectangles. it is made from two triangular bases and three rectangular sides.