4x-3=5y
it would be : 4x - 5y = 3
Line 3
since he added which is against the order of opreation rule he was supposed to multiply first then add
again what he was supposed to do is
Line 2:21+5+6(2)
Line 3:21+5+12
The radius of a sphere that has a surface area of 12.56in2 would turn out to be:
4
r²
C
By subtracting 18 to both sides you are separating the 3x because you are not ready to isolate the variable (x) in step 1
