Answer:3 x − 4 = 8 3x-4=8 3x−4=8. Add 4 to both sides. Simplify 8 + 4 8+4 8+4 to 1 2 12 12. Divide both sides by 3.
Step-by-step explanation:
Answer:
C) 5x - 18 = 7
Plug in 5 for x.
5x - 18 = 7
5(5) - 18 = 7
Simplify. First, multiply, then subtract.
25 - 18 = 7
7 = 7 (True)
~
Scale= 3 x=9 y=15