Respuesta :

tanweeleong195oxyqwp

Step-by-step explanation:

9) given

[tex]12x = 4(x + 2) + 20 \\ 12x = 4x + 8 + 20 \\ 8x = 28 \\ x = 28 \div 8 \\ = 3.5[/tex]

10)standard form equation: y=mx+c

where m = slope and c = y-intercept

given m = 8, c = 12,

equation of line :

[tex]y = 8x + 12[/tex]

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