Q: How do you solve the equation 9x-3y equals 7?

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Set up the equation and solve: 13 = 7 + s (next subtract 7 from each side of the equation to solve for s) 6 = s

63

h = 63

6

7

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Set up the equation and solve: 13 = 7 + s (next subtract 7 from each side of the equation to solve for s) 6 = s

63

It is not possible to solve a single linear equation in two variables.

h = 63

6

You cannot solve one linear equation in two unknown variables.

7

You can't solve it - you only have one equation and two unknowns. You need 2 equations to solve this.

The answer to 9 times 7 equals 63. This is taught in math class.

7x=42 x=42/7 or, x=6

To solve the equation 5n - 7 = 38, do whatever you do to one side of the equals sign to the other. So, add 7 to both sides. 5n = 38. Now divide both sides by 9. 5 = 9. To check your answer, replace the n with 9 and solve the equation. 5 x 9 - 7 = 38. Do the multiplacation first. 45 - 7 = 38. 38 = 38. The answer is correct.

4y + 7 = 19 ∴ 4y = 12 ∴ y = 3