Isolate the x. Do the opposite of PEMDAS. Note the equal sign, what you do to one side, you do to the other.
First, subtract 8 from both sides
8 (-8) + 7x = -61 (-8)
7x = -69
Next, isolate the x. Divide 7 from both sides
7x/7 = (-69)/7
x = -69/7
x = ~-9.86 (rounded)
hope this helps
Answer:
120000000
Step-by-step explanation:
The units of speed are miles per hour. You get that by dividing miles by hours:
(270 mi)/(4.5 h) = 60 mi/h
P=2(l+w)
50=2(4+w)
50=8+2w
collect the like terms 50-8=2w
42=2w divide both sides by 2
w=21
Answer:
the measures of 2 supplementary angles add up to 180°
Step-by-step explanation:
hopefully this helps :)
