[tex]2x - 10 = 5x - 19[/tex]
[tex]2x - 5x = - 19 + 10[/tex]
[tex] - 3x = - 9[/tex]
[tex]x = \frac{ - 9}{ - 3} [/tex]
[tex]x = 3[/tex]
Nilai dari x + 12
[tex] = x + 12[/tex]
[tex] = (3) + 12[/tex]
[tex] = 15[/tex]
Jawabannya 15 (C).
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[tex]2x - 10 = 5x - 19[/tex]
[tex]2x - 5x = - 19 + 10[/tex]
[tex] - 3x = - 9[/tex]
[tex]x = \frac{ - 9}{ - 3} [/tex]
[tex]x = 3[/tex]
Nilai dari x + 12
[tex] = x + 12[/tex]
[tex] = (3) + 12[/tex]
[tex] = 15[/tex]
Jawabannya 15 (C).