Question

1) 8-2(3-4y)=7y-1
2) 5x+7(3x+2)=6(4x+2)
tolong cepat dengan cara

Answer 1

1) 8-2(3-4y) = 7y - 1
= 8- 6+ 8y = 7y - 1
= 2+ 1= 7y - 8y
= 3= - y
maka y = -3

2) 5x + 7(3x + 2)=6(4x+ 2)
= 5x + 21x + 14= 24x + 12
= 26x + 14= 24x + 12
= 26x - 24x = 12-14
= 2x= -2
= x = -2/2
maka x = -1