1) 5x + 8 = 65x = -2x = -2/5
2) 3 - 5x = x - 36x = 6x = 1
3) 2xlog5 - 4log5x2xlog5 - 2log5x - 2log5x2xlog5 - 2log5(x^2)2log5(x) - 2log5(x^2)2log5(x/x^2)2log5(1/x)log5(1/x^2)
1) 5x + 8 = 6
5x = -2
x = -2/5
2) 3 - 5x = x - 3
6x = 6
x = 1
3) 2xlog5 - 4log5x
2xlog5 - 2log5x - 2log5x
2xlog5 - 2log5(x^2)
2log5(x) - 2log5(x^2)
2log5(x/x^2)
2log5(1/x)
log5(1/x^2)