If it's not what You are looking for type in the equation solver your own equation and let us solve it.
X+X+39+43=180
We move all terms to the left:
X+X+39+43-(180)=0
We add all the numbers together, and all the variables
2X-98=0
We move all terms containing X to the left, all other terms to the right
2X=98
X=98/2
X=49
| 13=a-5 | | 4q+4=-6+6q | | 7(h+2)=49 | | -y/2-12=-4 | | -2(x+0.5)=-2.5(x-1) | | 6x+9)=(4x-19) | | -32+8x=104 | | 5c+17=9(-c+)-5 | | 7/5=a/10 | | 5(x-2)²=20 | | 3z+11=101 | | 2-v=-v+10 | | -8+2x=-36 | | 12+1/5y=-6 | | (6x+14)-(9x+5)=3x+9 | | x²-15=106 | | 0.25(5x-8)=1.25x-5 | | 4x+8+5x-4=76 | | 5x*4x=450 | | -40+5x=-65 | | 3y=-2+4 | | 4x+3+60=180 | | -16−4x=-16 | | 6/7.v=42 | | 5+2(x+5)=-3(x-12)-1 | | 3x-6=30-3x | | −16−4x=-16 | | -4h+6=-2h-6 | | x*2/7=20 | | 0.5(x-2)=1.5x-6 | | 20=m/16 | | 1-8n-2=21 |