Sagot :
2x+1+x+4=50
3x=45
x=15
Lyndon is 15 years old now
Paul is 27 years old now
Proof:
15+4=19
2x+1=31
19+31= 50 and we are now sure that our answer is right
3x=45
x=15
Lyndon is 15 years old now
Paul is 27 years old now
Proof:
15+4=19
2x+1=31
19+31= 50 and we are now sure that our answer is right