jenniferroby26p5r1kg jenniferroby26p5r1kg

17-03-2018
Mathematics

contestada

For which equation is not a solution? x=-1/3
A. 7 + 9x = 4 B. 6x – 5 = 7 C. 18+9x=-9
D. 12x + 8 = 4

Respuesta :

Mistystar4881 Mistystar4881

17-03-2018

The answer is B.
We can prove this by putting -1/3 into x.
6(-1/3) - 5 = 7
Multiply -1/3 by 6.
-2 - 5 = 7
Subtract 5 from -2.
-7 [tex] \neq [/tex] 7
So, -1/3 is not a solution to this equation.
Hope this helps!

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