Sagot :
The answer is x = 5y - 9 /2 and y = 2x + 9 /5.
Steps for Solving Linear Equation:
I. Solve for x
2x - 5y = - 9
- Transpose the terms
2x = 5y - 9
- Divide both sides by two.
2x/ 2 = 5y - 9/ 2
x = 5y - 9 /2
II. Solve for y
2x - 5y = - 9
- Transpose the terms
-5y = -2x - 9
- Divide both sides by negative five.
-5y/ -5 = -2x - 9/ -5
y = -2x - 9/ -5
- Cancel out the negative sign
y = 2x + 9 /5
- I hope this can help you.
Question:
2x - 5y = -9
Answer:
2x−5y=−9
Add 5y to both sides.
2x=−9+5y
The equation is in standard form.
2x=5y−9
Divide both sides by 2.
[tex]\frac{2x}{2}=\frac{5y-9}{2}[/tex]
Dividing by 2 undoes the multiplication by 2.
[tex]x=\frac{5y-9}{2}[/tex]
Answer:
[tex]y= \frac{2x+9}{5}[/tex]
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