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Mathematics

1 answer:

zloy xaker [14]3 years ago

5 0

Multiplying both sides of this equation by 3, to eliminate the fraction, we get:

9 + m = 6.

Next, we subtract 9 from both sides to isolate m: m = 6 - 9 = -3

Then m = -3.

Check: Subst. -3 for m in this equation:

9 - 3 6

------- = ------ = 2 (as expected). Thus, m = -3 is correct.

3 3

Problem #10:

4n - 9 = -9 Add 9 to both sides: 4n = -9 + 9 = 0.

Divide both sides by 4: n = 0.

Check: Substitute 0 for n: 4(0) - 9 = -9 is true.

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