this is the problem i have and my teacher said we are supposed to use the segment addition postulate...
(2x+10)+(x-4)=21
do i do like terms first or what??? help PLEASE!
freshman.in.need wrote:this is the problem i have and my teacher said we are supposed to use the segment addition postulate...
freshman.in.need wrote:(2x+10)+(x-4)=21
do i do like terms first...?