Respostas
6X + 12 = 4 10X - 30 = 5X - 50
6X = 4 - 12 10x - 5X = -50 + 30
X= 8 5X = - 20
X= - 20 ÷ 5
X= - 4
8×-10=6×+2 5×+12=×-18
8X - 6X = 2+10 5X - X = -18 -12
2X = 12 4X = - 30
X= 12/2 X= -30/4
X=6 X= -7,5
Espero ter ajudado! ;)
6X + 12 = 4 10X - 30 = 5X - 50
6X = 4 - 12 10x - 5X = -50 + 30
X= 8 5X = - 20
X= - 20 ÷ 5
X= - 4
8×-10=6×+2 5×+12=×-18
8X - 6X = 2+10 5X - X = -18 -12
2X = 12 4X = - 30
X= 12/2 X= -30/4
X=6 X= -7,5
Espero ter ajudado! ;)