Answer should be A.
----hope it helps--------
Multiple 6 with numbers inside paranthesis:
12x - 66 + 15 = 21
add 66 fhen substrack 15 from both sides :
12x = 72 divide both sides with 12:
x = 6
Answer:
-3
Step-by-step explanation:
it like 7-4 but then you change the sign to negative since you chance it earlier.
Just work backwards.
342.5/ 34.25 = 10
X=y-a
by simplifying both sides of the equation then isolating the variabke