If it's not what You are looking for type in the equation solver your own equation and let us solve it.
(3x-30)+(x+42)=180
We move all terms to the left:
(3x-30)+(x+42)-(180)=0
We get rid of parentheses
3x+x-30+42-180=0
We add all the numbers together, and all the variables
4x-168=0
We move all terms containing x to the left, all other terms to the right
4x=168
x=168/4
x=42
| 57=3c | | -2(1+6r)=-98 | | 896=-7(11x-7) | | 4(2x-6=32 | | 4x+4=3+15 | | 2z=76 | | x+(x-3)=57 | | 522=9(-7x+12) | | -11u−-10u−-13u+-u=-11 | | 11+1=19x-31 | | 64=-14x-90 | | 9w=90 | | 12^x^2+5x-4=12^2x+6 | | 11.5m-27=-93 | | -4+8x=-12 | | 3/2t-1/5t=2 | | 7y-26=9 | | x+2+66=90 | | X=4x+27 | | 3x+119=71 | | 7(x-6)=-16 | | 18u+5u-18u-2u=6 | | 3s-18=6 | | -9=-3(k−5) | | 18-4x=6x-7 | | 2=y- | | m-m+m=17 | | m2+ 15=19 | | 11r-11r+2r-r=9 | | 3x^2-18+9=0 | | 3(1)-5(2x+2)=-17 | | 3r−2r=6 |