If it's not what You are looking for type in the equation solver your own equation and let us solve it.
(2x-3)+(x+12)=90
We move all terms to the left:
(2x-3)+(x+12)-(90)=0
We get rid of parentheses
2x+x-3+12-90=0
We add all the numbers together, and all the variables
3x-81=0
We move all terms containing x to the left, all other terms to the right
3x=81
x=81/3
x=27
| 2x-1x+7=1x+7 | | 0=5/7n-n | | 2(5x−9)−3(x−6)7=x+5 | | -x+157=24 | | w^2=32w | | x+25=5x+12 | | 8y-2=7y-6 | | 6x^-x-2=0 | | 7(5+9)=7.x+7.9 | | 10-5x+3x=-22 | | -14+7y+15y+11y=3 | | 108d=108 | | 3x-5=5×-3-x | | 6x(x-8)=2x^2-49x | | 5x+19=2(3x+1) | | 2/5(x-20)-6=1/5x+5 | | -x+37=250 | | 11-1/2y=3+6× | | -2(2+p)-p=-8-2(p-1) | | 4v+8v+8v-6v+6v=20 | | 1/50/1/300*1.2=x | | ((b^2)/30)+(b/15)=(1/2) | | 1.43p+2.2=-4.001 | | (109÷9)=x | | 9.6=1.6b | | 7u+38=-4(u-4) | | 5/m=2/m-1 | | U-u+u=17 | | 10=-2(x-3) | | y/6+5/6=y/5-5/6 | | 5x+32=3x+-22 | | 13c-12c=14 |