The answer is x=-3
5-x=11+x
-11 -11 First subtract 11
-6-x=x
+x +x Now add x to both sides
-6=2x
~2 ~2 Finally divide by 2
-3=x Your answer is x=-3
Answer:
35
Step-by-step explanation:
100 / 50 = 2
70 / 2 = 35
200 / 8 = 25
scale factor is 1:25 or 0.04
Girls: 81
boys: 75
4x +6 = 156
4x = 150
x = 37.5
2x = 75
girls: 75 + 6
boys: x