If it's not what You are looking for type in the equation solver your own equation and let us solve it.
w in (-oo:+oo)
w/7+2 = 5 // - 5
w/7-5+2 = 0
1/7*w-3 = 0 // + 3
1/7*w = 3 // : 1/7
w = 3/1/7
w = 21
w = 21
| 5(-9x+15)=-195 | | x=450-.5y | | 3k+16=5 | | 7x^-3/16x^-1 | | 5(-9+15)=-195 | | x+(s+40)=180 | | 4x+2(3x-7)=6-(4-x) | | 3(6m)+m=21m | | 7(5x+16)=-203 | | 12y-7=53 | | -26x-2x=10-8x | | 4x^2+-10x+25=0 | | 2(x)+y=900 | | 10(-10x+12)=-380 | | 4x^2-10x+25=20 | | 5x^2-20=4 | | (5x+15)/(3x+9) | | 5x+15/3x+9 | | 3/7=x | | -5(9x+12)=-375 | | 1x-11x+8=88 | | (2x^2+3x-4)-(4x^2-7x+1)= | | a*a-5a=-4 | | 13=-3x-14 | | -8(7x+18)=136 | | 4=9-p/7 | | q/2+8=6 | | d*d+20d+11=200 | | x^5+2x^2-2=0 | | 13=3x-14 | | -5(6x-2)=160 | | x/6+12=4 |