Solve b+7+12=30. b= __

b = 11

Step-by-step explanation:

b + 7 + 12 = 30

b + 19 = 30

b = 11

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11

Step-by-step explanation:

write a equivalent expression b+19=30

subtract 19 from both sides b+19-19=30-19

b=11

step-by-step explanation:

here's what happens:

1) the graph of f   = x^2 is shifted 2 units to the right.

2) the resulting graph is reflected in the x-axis, so that the parabola now opens down.

3) this final result is transformed up by 5 units.