Answer : x = 20
Explanation :
3x + 2x +20 + 4x - 20 = 180
(3+2+4=9)
9x + 20 - 20
The 20s cancel each other out because one is positive and the other is negative
9x = 180
9x/9 = 180/9
X = 180 divided by 9
X = 20
The answer is probably the opposite which in this case would be -19 ?
Answer:
Step-by-step explanation:
The middle line is the median, then from left to right the lines are the first, second, third and fourth quartile.
