If it's not what You are looking for type in the equation solver your own equation and let us solve it.
(5x+9)+(7x+9)=180
We move all terms to the left:
(5x+9)+(7x+9)-(180)=0
We get rid of parentheses
5x+7x+9+9-180=0
We add all the numbers together, and all the variables
12x-162=0
We move all terms containing x to the left, all other terms to the right
12x=162
x=162/12
x=13+1/2
| (-7)^7/(-7)^-n=(-7)^21 | | (3x+1)=36=3×=36=12 | | (7a2+3a-6)+(2a2-9a-1)=0 | | 15=0+(3×t) | | (3x+8)+(4x-3)=0 | | (3x+8)+(4x+3)=0 | | 13-9h=247 | | (7x+6)=(9x+24) | | 7x^2-5x+15=0 | | (7x+6)+(9x+24)=180 | | y^2+10y-27=0 | | 1x/3-2=x+3 | | 1/3x-2=x+3 | | (1/3)x-2=x+3 | | 23+8b=b | | 24÷x+5×3+2=20 | | 6/10=18/c | | 5=9/t | | 2p+10=50 | | 4+1/5x=3/10x | | x+190=300 | | -3(2x-5)/5=-3 | | e➗7.4=6.9 | | 3(2a-4)−1=-12+5a | | (3^(4x-9))*243=1 | | x*0.007=5 | | x*0.007=50 | | 6(x-2)+2x=7(x+4)-38 | | 4a+20=10 | | 3^(4x-9)=3^-5 | | 17v=4v+13 | | 9x-9=32 |