If it's not what You are looking for type in the equation solver your own equation and let us solve it.
c in (-oo:+oo)
(3/4)*c-((1/4)*c)+3 = 7 // - 7
(3/4)*c-((1/4)*c)-7+3 = 0
(3/4)*c+(-1/4)*c-7+3 = 0
1/2*c-4 = 0 // + 4
1/2*c = 4 // : 1/2
c = 4/1/2
c = 8
c = 8
| 91+y+81+100=360 | | 3(-2)+-5=3 | | 378=x+2(x)(6) | | 3(-2)+x=1 | | 2/3x+10 | | 4x^2+(-3)-2= | | 0.375x-33.3x+6=16.7x | | 1.27x=.96 | | 9+5+x=8+6 | | 10x^2-31x+15= | | x+109=180 | | (4+x)-(x+3)= | | -8x+11x= | | 5(3m+4)=3(4m+7) | | (2x)(3x+4xy^2)= | | 37-(x+9)=8x-8 | | x+7.7=12.6 | | -15x+8x+4=18 | | X-48=7-4x | | y=3(3)-14 | | 7/(8)a=42 | | (2)(2)+(0)(4)= | | 22=7x-6 | | 6z-7=z-2 | | 2-3(a+5)=-10 | | 9x=4x+288 | | 4x^2+x-2= | | 8x+5(3x-14)=-1 | | q=12-5p | | 2/3(7/8+2x)-3/8=5/8 | | (1/3)-x=(3x/2)-1 | | H+2/5=7/10 |