If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-42=6c
We move all terms to the left:
-42-(6c)=0
We move all terms containing c to the left, all other terms to the right
-6c=42
c=42/-6
c=-7
| x+2x+(3+6x)=43 | | a-7+4a=8+2a | | 16+8x+1=16x-15 | | 3(4x+2)-2(5x-3)=13 | | 7x+18=3x+42 | | -13+4v=5v-7 | | 8=−2x2−3x+16 | | 8=−2x2−3x+16. | | 4g-3=-15 | | 4(2x+5)=-25+29 | | 15+5x-2x=6x-6 | | -3(r+7)=58 | | X+5/18=1/9+x-1/8 | | -143-x=91-14x | | -4(x-13)=42 | | 3b+7=6b+10 | | 4x-3(x+8)=2x-3 | | -5(x-1)=-6x | | X=8x-70 | | x(x+8)=(5x²+3x)= | | -5(3t-5)+9t=8t-2 | | (6+3-x)x7(x=8) | | 4+2x-11=4+x | | 5-0.5x=50 | | -8(2-7x)=-352 | | 8x-7=8x-7^2 | | 9x-(6x+13)=39 | | 0.50x+0.45(30)=39.5 | | 0.02g=(0.5)(4.5) | | 6(b+10)/b(b=4) | | 2/a+4=7/9 | | 132=-15x |