Answer:
Expand
2b + 3 = 2 -3b -9
Correct like terms
2b + 3 = 3b - 7
Move 2b to the otherside as a negative number and -7 to the otherside positive number.
-4 = -5b
Divide both sides by negative five
b is equal to 4/5
Step-by-step explanation:
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Answer:
D - (-2)^2 does not equal to -4
Step-by-step explanation:
√-4 does not equal -2 because if you try squaring -2 you will get 4 not -4, because 2 negative number makes it a positive.
For example
-2 x -2 - There are two negative numbers, so it should equal...
4
The answer should be 3+3=6
