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Q: How do you simplify -9 plus 12?

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2x

4m + 9 + 5m - 12 = 42 9m -3 = 42 9m = 42 + 3 9m = 45 m = 5

7x + 7 + 6x - 9 = 13x - 2

8/9 + 3/9 + 2/9 = 13/9 = 1 4/9

18 + 7x - 12 + 5x = ?18 - 12+ 7x - 5x = ?6 + 2x = ?

Related questions

a = 1/2

6x + 9 + 2x = 8x + 9

4m + 9 + 5m - 12 = 42 Combining like terms to both sides:9m=42+12-9=>9m=45 divide both side by 9:m=5;

2x

It is 9/12, which you can simplify if required.

When you simplify 49 plus 37 (49+37), the result is 86.

67

17.2 + 3.1y + 4.2y + 9 = 7.3y + 26.2

4m + 9 + 5m - 12 = 42 9m -3 = 42 9m = 42 + 3 9m = 45 m = 5

-3 + -12 = -15

15

You can factor it, if you consider that simpler.