If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3c+4c=6c-21
We move all terms to the left:
3c+4c-(6c-21)=0
We add all the numbers together, and all the variables
7c-(6c-21)=0
We get rid of parentheses
7c-6c+21=0
We add all the numbers together, and all the variables
c+21=0
We move all terms containing c to the left, all other terms to the right
c=-21
| 2(2m-4)=10 | | 3n/2+7=19 | | 64x+1=0 | | n/6+4=4 | | 3x+8x-4-6=6x-3 | | 1x+10=5x-5 | | 6n-8=4n+4 | | -1x+7=-1x-22 | | 3x–100=500 | | 9+(-3x)=13 | | (Y-9)-(y+2)=5y | | Y=7/(3x-1)^4 | | 2x+1=4x+37 | | (u+2)(u-4)=5 | | 5x-75=80 | | x2+-70x+2500=0 | | y+17=16 | | 9x+17=6x-1 | | a(23)=56+23 | | 2x^2+7-11=0 | | (4x-3)(5-x)=(x-5)(3x+1) | | 26.4=6.6*n | | 5(3x-2)=2x+8 | | 2x+9x-3-5=6x-3 | | n*5.9=118 | | -8u+2(u+8)=-38 | | 7(v-2)=3v-34 | | 4(x+3)^2=9 | | 5(z-2)=3(3z+1)-2z | | 2x-3=10x=21+x | | 10=1+x² | | 1.8x+32=-x |