If it's not what You are looking for type in the equation solver your own equation and let us solve it.
4x+4x+13x=42
We move all terms to the left:
4x+4x+13x-(42)=0
We add all the numbers together, and all the variables
21x-42=0
We move all terms containing x to the left, all other terms to the right
21x=42
x=42/21
x=2
| Y=6+y | | 7x+2(-2x+1)=0 | | -½=5/18h | | −23(9x+6)=26 | | 3x(2x-1)+(2x-1)=0 | | 1/3x+12=24 | | 15/7x+3=1/3 | | x-5,5=-8,8 | | 6x~8=2 | | 13x+20=6x-1 | | A(n)=3n-25 | | 2(x+3.5)=16 | | -2x+9=-x+16 | | 20+2.50x=11+3.75x | | 24=(3x-4)=4 | | 6x+21=33 | | x+3-x=8-x | | 5x+7x+20x=180 | | 5m+6-7m=1-2m+5 | | 9x=738 | | 2/(x-3)+1/(x-1)=5/(x-1)-2/(x-2) | | 9x-8=3x-32 | | 7(7+8k)=3(k+5)= | | (3s-20)=35 | | 5m+6-7m=1-2+5 | | 2/(3x-1)+3/(3x+1)=5/3x | | (4a-4)=48 | | 36=12k | | (5b-3)=62 | | p+7.18=68.54 | | (3x+6)=5 | | 9f+7=8f−5+4f |