3 years ago

Help me please I need an an answer asap

1 answer:

8 0

7B + 4 = 7B - 3
We need to solve for B
Let's add 3 in both sides:

7B + 4 = 7B - 3
7B + 4 + 3 = 7B - 3 + 3
7B + 7 = 7B

Let's subtract 7B from both sides:
7B + 7 = 7B
7B - 7B + 7 = 7B - 7B
7 = 0

7 = 0, which is impossible. 7 can never be 0, and 0 can never be 7.
So the equation have no solution.

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