84
d= -27 because you divide 3d by 3 and do the same side to the other side
-6
t=-4
m-12=25. m=37
-3+x=7. x=10
abx=cy. x=cy/(ab)
-6
t=-4
It depends on which variable you wish to solve for.
8kt16=10k
x = 20
m-12=25. m=37
-21
7w=122 122/7= 17.43 w=17.43
M1
abx=cy. x=cy/(ab)
-3+x=7. x=10
Equals anything... x is a variable. If that equation was set equal to zero then you could solve for x, but that is not what you have asked.