So the whole goal of this is to get the variable (z) all by itself on one side with a coefficient (the number in front of the variable (z)) of one. All you have to do is add seven to each side to get z alone and then divide by two:
2z-7< or equal to 1
+7
2z< or equal to 8
/2
z< or equal to 4
1/2 and 2/4 and 5/7 frmgknognr
Answer:
72 ounces
Step-by-step explanation:
4.5×16
=72
Answer:
9x - 6
Step-by-step explanation:
9 times a number, x, is written as 9x
“6 less than” means to subtract 6 from something else.