90+x+72+30 = 180. If you add 90+72+30, you get 192. But to get 180 you have to subtract 12.
90+(-12)+72+30 =180 if x is -12
45 = 30 + m Subtract 30 from both sides: 15 = m
180 + 30 = 210
11a+9 = 4a+30 11a-4a = 30-9 7a = 21 Solution: a = 3
It is 30 times 6 equals 180
v is -15... -15*2 = -30... -30+11= -19.
30 + 30 + 30 + 30 + 30 + 30 = 180
To solve this one, subtract 50 from 180 and you'll have your answer.
(3,3)
It does not help you.
45 = 30 + m Subtract 30 from both sides: 15 = m
180 + 30 = 210
11a+9 = 4a+30 11a-4a = 30-9 7a = 21 Solution: a = 3
30 180/6 = 30 so it follows that 6*30 will = 180.
It is 30 times 6 equals 180
v is -15... -15*2 = -30... -30+11= -19.
x = 6 and y = -2
150