Question

x+(x+6)=( x+8)=21 solve the equation and verify

Answer 1

Answer:

X=23

Step-by-step explanation:

x+x+6=x+8=21

2x+6-8-x=21

x-2=21

x=23

VERIFICATION

x+x+6=x+8=21

LHS:

23+23+6=23+8

23+6-8

21=RHS