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Best Answer
b + 9 = 21
Take the + 9 across the other side of the equals sign. a plus becomes a minus.
b = 21 - 9
so...
b = 12.
This can be checked by setting b to 12 in the first equation
b + 9 = 21
12 + 9 = 21
which is correct.
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What is 12 plus 9 equals?
12 plus 9 equals 21.
Solve a plus 9 equals 21?
A + 9 = 21 A = 21 - 9 A = 12
What Is 9 plus x equals 21 for x equals 11?
x ≠11 9 + x = 21 9 + x - 9 = 21 - 9 x = 12
What is the answer for x plus 9 plus 5x equals 21 plus 2x?
If: x+9+5x = 21+2x Then: x = 3
Why do people say 9 plus 10 equals 21?
9+10 =21 is sated from a popular vine
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What is 12 plus 9 equals?
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