Answer:
3
Step-by-step explanation:
the whole line equals
5x-8 as well as x+3x-5
since it equals both we know the equation is
5x-8=x+3x-5 simplify to 4x-5
5x-8=4x-5
-5x. -5x
-8=-1x-5
+5. +5
-3= -1x
-/. -/
3=x
we now can double check our work by putting 3 everywhere the x is
EG =7
FG= 4
making EF 3