Answer:
c. Put them alined straight and centered X to B to W and now you get the answer so it's C.
No solution
Because 3 unknown needs 3 equation at least
1) Seven million three hundred fifty thousand twenty-three
2) Two hundred thousand four hundred sixty-three
3) Twenty one million
X=
with x+6=10
yo try to move everything to the opposite side of the X.
so:
adding equals subtracting. + = -
subtracting equals adding. - = +
dividing equals multiplaying. ÷ = ×
and multiplaying equals to dibidion. × = ÷