If it's not what You are looking for type in the equation solver your own equation and let us solve it.
13x+15=5x
We move all terms to the left:
13x+15-(5x)=0
We add all the numbers together, and all the variables
8x+15=0
We move all terms containing x to the left, all other terms to the right
8x=-15
x=-15/8
x=-1+7/8
| 3(x+40)=5x-18 | | 5x+21=2x+38 | | 3(x+4)=(2x-1) | | x2+3x-7=0 | | 3(5x+2)=-4(2x-5) | | 2y^2+5y+8=0 | | 5(x+2)+3=38 | | 4(3x-9)=18-12x | | -2/7a+4=-6 | | 2.1y=5.6 | | 7/8-x=13/16 | | 7/8-x=3/10 | | 3×(0.2)^(m-1)=10 | | x+11=5x+9 | | 15+a=-50 | | 4+k/12=-3 | | 14.4=-2.3b | | 14=2/z | | -5x+1/2=-1/4 | | 9x-6=4x+5 | | l^2+3l+18=0 | | 2x+19/36=-5/6 | | 0.19x^2-8.71x+169.72=120 | | y/5+12=24 | | 12n-3(4n+5)=-6n-3)-1 | | 7y-4+13=2 | | 8(1/2+1/4c)13=5c+7-c | | 2(a-8.5)-2.6=3.1a=7.4 | | 18x+7=8x+27 | | 2x8=16 | | 2x8=9 | | 4,2x-16=9 |