Solve the equation 3.6g + 2 = 1.6g + 8. a. Find the value of g.
2 answers:
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Answer:
divide by x
Step-by-step explanation:
To answer your question, you can get from A to B by dividing by x:
However, this is only a valid operation if x ≠ 0. In this equation, x = 0, so that division is not valid.
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A better approach to the solution is to put the equation in standard form:
f(x) = 0
You can get there by subtracting 3x from both sides.
5x -3x = 3x -3x
2x = 0
Now, you can legitimately divide by 2 to find ...
x = 0 . . . . . . . . the reason why dividing by x is not allowed