If it's not what You are looking for type in the equation solver your own equation and let us solve it.
0.3x+2.1=0.7x-0.7
We move all terms to the left:
0.3x+2.1-(0.7x-0.7)=0
We get rid of parentheses
0.3x-0.7x+0.7+2.1=0
We add all the numbers together, and all the variables
-0.4x+2.8=0
We move all terms containing x to the left, all other terms to the right
-0.4x=-2.8
x=-2.8/-0.4
x=6+0.4/0.4
| 2x+144=9x-5 | | 0.6*x=93 | | 72+5x=10x-20 | | 220+10x=105-5x | | 3/5(x)-5=2 | | 3-m/4=12 | | 9y-6=3(3y-2) | | -x^2+2*x-0.5=0 | | 4(t-3)+8=4(t-3) | | 2x-7x-15=-5x+7-15 | | -x^2+2*x-0.25=0 | | -x^2+x-0.25=0 | | 6x-5=5x14 | | 10+2r=4+2r+6 | | 9-x=3.6 | | 6x+68=2x−44 | | 64=4d+8 | | v^2+4v+10=0 | | -1v^2+4v+10=0 | | 6a+6=78 | | 6x-5=30x+3 | | 5y-18+3y+34=96 | | 4/v=v-6/v-4 | | 0.9x+0.8=3.5 | | n-8+4+1=8 | | 12y-3(2y)=10 | | 3(x+4)+8=-3 | | 2.8=6.7+y | | 9=5c-11 | | 50=3x+21+2x-6 | | 2x-24+16x+32=7x+2 | | 4b=180° |