Answer:
Step-by-step explanation:
Your question has typographical errors. The equation is 2a + b = 15.7, not 2e+b-15.7
2a + b = 15.7
b = 15.7 - 2a
since a > b, a = 6.3 cm
b = 15.7 - 2·6.3 = 3.1 cm
Answer:
17.043956
Step-by-step explanation:
-2-3x=3+1x
-2-3=1x+3x
-5=4x
x=-1.25
Answer:
a
Step-by-step explanation:
they are right
