a. {3}
b. {-3}
c. {-4}
d. Ø
square bth sides:
3b+2 = 7b -10
so 12 = 4b
b = 3
√(3b+2) = √(7b-10)
3b+2=7b-10
12=4b
3=b
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Verified answer
square bth sides:
3b+2 = 7b -10
so 12 = 4b
b = 3
b = 3
√(3b+2) = √(7b-10)
3b+2=7b-10
12=4b
3=b