5.) The equation 2x -5y =9 has:
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Answer:
Add 99 to both sides.
2x=2+92x=2+9
2
Simplify 2+92+9 to 1111.
2x=112x=11
3
Divide both sides by 22.
x=\frac{11}{2}x=211
Decimal Form: 5.5
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