Resuelve las Siguientes ecuaciones.
a) 3 x + 30 = 80 + 2 x
b) 10 - 5 x =18 - 3 x
c) 4 x + 3 =48 + x
(Ayuda Porfa)
a) 3 x + 30 = 80 + 2 x
b) 10 - 5 x =18 - 3 x
c) 4 x + 3 =48 + x
(Ayuda Porfa)
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3x - 2x = 80 - 30
x = 50
b) 10 - 5 x =18 - 3 x
- 5x + 3x = 18 - 10
- 2x = 8
x = 8/-2
x = - 4
c) 4 x + 3 =48 + x
4x - x = 48 - 3
3x = 45
x = 45/3
x = 15