maubry65 maubry65

17-09-2018
Mathematics

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I forgot how to solve this question
7x +9=58

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hienh4517 hienh4517

17-09-2018

Minus 9 from both sides

7x = 49

X = 7

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17-09-2018

You first move the constant to the right side and change its sign (7x = 58 -9). You then subtract the numbers (58-9=49), so you are left with 7x = 49. Then you divide both sides by 7 to isolate the variable (x). The answer is x = 7.

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