4x + 7 = 31
-7 -7
4x = 24
/4 /4
x = 6 (Answer)
Prove.
4(6) + 7 = 31
24 + 7 = 31
31 = 31
True.
Answer:
Step-by-step explanation:
[tex]4x=7=31\qquad\text{subtract 7 from both sides}\\\\4x+7-7=31-7\\\\4x=24\qquad\text{divide both sides by 4}\\\\\dfrac{4x}{4}=\dfrac{24}{4}\\\\x=6[/tex]
