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Reason: |
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We want to remove the y term. Multiply the 1st equation by 3. Multiply the 2nd equation by 2. |
| 23x = 92 |
Add the equations. |
| x = 4 |
Divide both sides by 23. |
| 5x - 2y = 18 |
Write the 1st equation. |
| 5(4) - 2y = 18 |
Substitute x with 4. |
| 20 - 2y = 18 |
Remove the brackets by multiplying 5 by 4. |
| -2y = -2 |
Subtract 20 from both sides. |
| y = 1 |
Divide both sides by -2. |