X + y = 10
x - y = 2
add the equations together
2x = 12
x = 6
6 + y = 10
y = 3
98 Cm should be the answer
Answer:
Green box: 9
Step-by-step explanation:
7/7 x 9/10
1 x 9/10 = 9/10
X+a=b
you want to isolate x so subtract a from both sides
x=b-a
The answer is nine and one third
