Answer:
b=3
Explanation:
Step 1:
Expand
22=5b + 7b - 14
Step 2:
Simplify
22=12b - 14
Step 3:
add 14 to both sides
36= 12b
Step 4:
divide both sides by 12
36/12 = 12b/12
Step 5:
3 = b
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