Answered

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student masterconnect3. Which point is not a solution to the equation 2y + x = 87A (5, 1.5)B. (2, 3)C. (1, 4.5)D. (3, 2)

Student Masterconnect3 Which Point Is Not A Solution To The Equation 2y X 87A 5 15B 2 3C 1 45D 3 2 class=

Sagot :

To determine if the point is a solution or not, we have to substitute the x-value and see if the y-value is correct:

*For x=5

[tex]\begin{gathered} -2y+5=8 \\ -2y=8-5 \\ y=-\frac{3}{2} \\ y=-1.5 \end{gathered}[/tex]

For x=2

[tex]\begin{gathered} -2y+2=8 \\ -2y=8-2 \\ y=-\frac{6}{2} \\ y=-3 \end{gathered}[/tex]

For x=-1

[tex]\begin{gathered} -2y-1=8 \\ -2y=8+1 \\ y=-\frac{9}{2} \\ y=-4.5 \end{gathered}[/tex]

For x=-3

[tex]\begin{gathered} -2y-3=8 \\ -2y=8+3 \\ y=\frac{11}{-2} \\ y=-5.5 \end{gathered}[/tex]

Then, the point that is NOT a solution for the equation is D. (-3, 2). The solution for x=-3 is -5.5.

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