Answer: 6
Step-by-step explanation:4.2x-3=0.5(8.4x+6)
simplify the equation to the form,
4.2x-3=0.5(8.4x+6)
Reorder the terms in parentheses
4.2x-3=+(+4.2x+3)
Remove unnecessary parentheses
+4.2x-3=+4.2x+3
move all terms containing x to the left and all other terms to the right.
+4.2x-4.2x=+3+3
simplify left and right side of the equation.
0x=+6
0=6
HOPE THIS HELPS :)