If it's not what You are looking for type in the equation solver your own equation and let us solve it.
0.7+x=8.4
We move all terms to the left:
0.7+x-(8.4)=0
We add all the numbers together, and all the variables
x-7.7=0
We move all terms containing x to the left, all other terms to the right
x=7.7
| 15x=6x-45 | | X*3+2x=91 | | 15x=6x@45 | | X^3+x2=91 | | 2(2x-6)=10x-6 | | x=14+0.00090000000000001/0.03 | | 7.03x+49=49.4209+7x | | (11/16x)=(9/16)+x | | 11/16x=9/16+x | | -1.3x=9(x+2.18) | | -1.3=9(x+2.18) | | 39=6(x+9) | | x-15=7x | | 9x^2-576x+700=0 | | 0.8(10x+24)=3.9(0.2x+5) | | 6(x-2)=-72 | | 4+1/36*x=1/12*x | | 144x/36=x/12 | | (3x/2)+9=5 | | -9(x+6)=-207 | | -9(x+6)=-207 | | -29=3+4c | | 115x+3+10x+2=180 | | 32/2-d=10 | | 4(5x+6)=-33(x-2) | | 48-a=29 | | 7x²-15x+5=13-3x | | 2(p+17)=50 | | 5(g-5)=70 | | 3(t+2)=54 | | 2w(5w+2)=5w+2 | | 8x=24-4× |