If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3(s+7)=42
We move all terms to the left:
3(s+7)-(42)=0
We multiply parentheses
3s+21-42=0
We add all the numbers together, and all the variables
3s-21=0
We move all terms containing s to the left, all other terms to the right
3s=21
s=21/3
s=7
| 8(s+2)=72 | | 5.4x+5.4=10.8 | | s/2+10=11 | | 8g-2=33 | | -(x-3)=-6(2x+3) | | X^2+y^2-196=0 | | 3/4x+5=19 | | 7x=10-9 | | 0.75g+15=0.50+13 | | 0.75g+15=0.50+3 | | x+20+3x-15=180 | | 20=3c+8 | | -8(1-3x)=-7(-4-4x) | | .7+.3x=2x-7 | | 12x-13-x=10x | | -7(-4-2n)=-4(8+4n) | | 3x/4+2x72=8/11 | | -3(1-x)-2x=6-4(x-4) | | (z-5)(z^2-10z+25)=0 | | 8x-22/6=7 | | 3n+2(3n-6)=6(n-4) | | k−6.79=6.31 | | 2(-6x-7)+8x=-(x-7) | | 5x-75-3x=180 | | 3x+78=48 | | (2x+1)/37=5 | | 2k=-7.2 | | 2x+9-6x=19 | | -4(k+1)=-2(6k-4)+4 | | 2x+9=x+13 | | (x-3)/5=-22 | | 4(k-5)-8=-8(k-7) |