If it's not what You are looking for type in the equation solver your own equation and let us solve it.
5x+8+9x+12=180
We move all terms to the left:
5x+8+9x+12-(180)=0
We add all the numbers together, and all the variables
14x-160=0
We move all terms containing x to the left, all other terms to the right
14x=160
x=160/14
x=11+3/7
| 4(2x-3)+15=21 | | 14x-13=9×+1 | | .8(20-x)=20 | | 2x+30+106=180 | | 13/5+1/3t=6 | | 8y-5(2+y)=2(y+1) | | X^2+25x-90=0 | | 30-17=x-6 | | 200x-x^2=15x+4000 | | 8y-5(2+y)=2(y+1 | | 4y–15=5 | | (4m-7)(m-7)=0 | | x^2-185x+4000=0 | | 4y–8=40 | | -118-2x+9x=36 | | (14x+70)=20x+8 | | 6×24-31=3y+1 | | -6-7(2x+1)=2-3(5x+1) | | 41-7x=139 | | 6y–8=40 | | 4-3x=8+4x | | -6v-29=-4v-5(v=1) | | 5x+37/6=3 | | -4(5y-6)-y=-2(y-5) | | -14x^2-17x=-6 | | m`10+m`13=138 | | 1/6+2/3=1/49d-2) | | -11+x=46 | | 8/4=d/1 | | -4(y+6)=8y+12 | | 3^2x+1=28 | | x/62/9=7/20/14/15 |