Answer:
103
Step-by-step explanation:
Q6 =
3+(21-1)5 = 103
Answer:
The answer is x = 2.
Step-by-step explanation:
7x + 3 = 2x + 13
5x + 3 = 13
5x = 10
x = 2
Answer:
Step-by-step explanation:
The solutions are x=\frac{1+\sqrt{7}}{2} and x=\frac{1-\sqrt{7}}{2}
X = 2x-30
-x = -30
X = 30
1,3,5,7= 30
30+30= 60
360-60=300
300/2= 150
2,4,6,8 = 150