Answer:
x=4
Step-by-step explanation:
Subtract 4 from both sides:
-3x + 4= -8
-4 -4
Simplify and divide both sides by -3:
-3x = -12
÷-3 ÷-3
Then your answer should be x = 4!
The second one
b = 7
6 b + 6 = 48
Subtract 6 from each side
6b+6-6 = 48 -6
6b = 42
Divide each side by 6
6b/6 = 42/6
12
