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Here is a linear equation in x: 8x- 19 =-4-7x
Is 5 a solution to the equation? That is,is x=5 a solution to the equation

Sagot :

Edmund
[tex]8x-19=-4-7x[/tex]
[tex]8x+7x-19+19=-4+19-7x+7x[/tex]
[tex]15x=15[/tex]
[tex]\frac{15x}{15}=\frac{15}{15}[/tex]
[tex]x=1[/tex]
To prove:
[tex]8-19=-4-7[/tex]
[tex]-11=-11[/tex]
Therefore x≠5

Answer:

X=5

Step-by-step explanation: