Jika 3x+12=7x-8tentukanlah nilai dari x+2

3x +12 = 7x -8
3x -7x = -8-12
-4x = -20
x = -20/-4
x = 5

nilai x + 2 = 5+2 = 7

semoga membantu

3x + 12= 7x -8
3x - 7x = -8 - 12
-4x = -20
x = -20/ -4
x = 5


x + 2
5+2
7

semoga membantu