Question 261876
LM= 3x+8
MN= 2x-5
LN= 23
3x+8+2x-5=23
5x=23-8+5
5x=20
x=20/5
x=4
LM=3*4+8=12+8=20
MN=2*4-5=8-5=3
PROOF:
20+3=23
23=23