If it's not what You are looking for type in the equation solver your own equation and let us solve it.
5x+8+3x=-72
We move all terms to the left:
5x+8+3x-(-72)=0
We add all the numbers together, and all the variables
8x+80=0
We move all terms containing x to the left, all other terms to the right
8x=-80
x=-80/8
x=-10
| n−4=−15 | | –20r−2r−15=–20r+15 | | 7(4y–9)=5–(8+13y) | | -10.08-3.3y+18.49=-4.8y-11.84 | | n−4=−15. | | 5d+12-5=17 | | -4/9w-11=-5/9w | | 13x-7+8x-2=360 | | 4(2-6n)=128 | | -5x^2-100x-320=0 | | (q-68)/3=8 | | 10=j-7 | | 12a+3(a-6)=8a-24 | | 9x+2-7x-10=14 | | 21/2t=-13/16 | | -10.7x=18.9-9.2x | | 3y-18=57 | | -4(1+3n)=-100 | | x/2+25=45 | | 20=8m-12 | | 9x-9=16x-11 | | x+2.4=10 | | b/20=19 | | 1.2m+10.1=3.6m-9.1+2.4m | | 2h-62=38 | | -6x^2-96x-90=0 | | –7c+9=–10c+3 | | 6+4y=6y-4 | | x+2=4x+89 | | 1.5(2x-15)=1.10(4x-30) | | x-45=52 | | 5-2y=3-4y+13 |