EQUATIONS

5^(X+1)-5^(X)=500(5^x)(5 - 1) = 5005^x = 1255^x = 5^3x = 3
2^(X+2)+2^(X-2)=32[2^(X-2)] (2^4 + 1) = 322^(X-2) = 32/17(X-2) log 2 = log(32/17)X =[ log(32/17) ] /( log2 ) + 2X = 2.912537159 X = 2.91(2 dec.)
5x+4=6x^26x^2 - 5x - 4 = 0(3x - 4)(2x + 1)x = 4/3 or x = - 1/2
1-5x=-3x^2-3x^2 + 5x - 1 = 03x^2 - 5x + 1 = 0x = [5 +/- (25 - 4*3)^(1/2) ] / 6x = [5 +/- 13^(1/2) ] / 6