Answer:
x = 5
Step-by-step explanation:
x+ 2(-6) = -7
x - 12 = -7
check:
5 + 2(-6) = -7
-7 = -7
There are no like terms to therefore the answer is -4x+5y+6z
See attached
The answers added on the picture
-3q
-q is actually -1q so you just divide 3 by -1 and get -3q
$1.68
Remember that cents are in the hundredths place. So think of it as rounding to the nearest hundredth place. 1.6845 ---> 1.68
