Answer:
Step-by-step explanation:
Number of blue beads = x
Number of red beads = x + 8
Total beads = 30
x + x+8 = 30
2x + 8 = 30
Solution:
Subtract 8 from both sides
2x + 8 -8 = 30 - 8
2x = 22
Divide both side by 2
2x/2 = 22/2
x = 11
Number of blue beads = 11
Number of red beads = 11 + 8 = 19