Question

2x-1=5

8x+3=x4

2x+3=7-x

11+x=18

8x+3=27
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Answer 1

Respuesta:

[tex]2x - 1 = 5 \\ 2x = 5 + 1 \\ 2x = 6 \\ x = \frac{6}{2} \\ x = 3[/tex]

[tex]8x + 3 = x4 \\ 8x - x4 = - 3 \\ 8x - 4x = - 3 \\ 4x = - 3 \\ x = - \frac{3}{4} [/tex]

[tex]2x + 3 = 7 - x \\ 2x + x = 7 - 3 \\ 3x = 4 \\ x = \frac{4}{3} [/tex]

[tex]11 + x = 18 \\ x = 18 - 11 \\ x = 7[/tex]

[tex]8x + 3 = 27 \\ 8x = 27 - 3 \\ 8x = 24 \\ x = \frac{24}{8} \\ x = 3[/tex]