-5 (2u+10)=2 (u_7) apply distributive property
-10u-50=2u-14 collect like terms
-10u-2u=50-14 when you move the number to the other side sign change
-12u =36 to get rid of 12 divide 12 on both sides
-12u/-12= 36/-12
U= -3
The radius of circle is 3.5 only
Answer:15% increase
Subtract the two numbers which equals 850 then divide by 5600
Please correct me if I am wrong, I am a little rusty.
