If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-4(x+20)(0.5+3)=0
We add all the numbers together, and all the variables
-4(x+20)(3.5)=0
We multiply parentheses ..
-4(+3.5x+70)=0
We add all the numbers together, and all the variables
-4(3.5x+70)=0
We multiply parentheses
-12x-280=0
We move all terms containing x to the left, all other terms to the right
-12x=280
x=280/-12
x=-23+1/3
| I2x-1I=2 | | x^2-3x-260=0 | | y=-18+-9-7 | | Y=-x(x-3) | | 7x+3=x^2+15x | | y=2(-3)2+3(-3)-7 | | 5x^2-11x+3=24 | | y=2(-3)4+3(-3)-7 | | 3x-15=16.5 | | X-2y+35=0 | | 4x-12=2(x-5) | | 3^(3x+3)=33 | | 2*)x+5)=6x+30 | | 7x+14=7( | | 14-25=20x+9 | | 15x^2(3x-4)=0 | | 22=2x^2=+4 | | 3q^2+10q-16=0 | | n2+n=992 | | (-7x+12)/(4x+3)=2/5(7x+12)/(4x+3)=2/5 | | (-7x+12)/(4x+3)=2/5 | | (M/7)(m/3)=0 | | (M/3)(m/7)=0 | | 0.733/x=0.10 | | 170+2x=10x | | 2.40x=5.8 | | 170+2.5x=10x | | x+-4x=-42 | | 2y/3-y/4=1/2 | | r/40=1/200 | | 40r=200 | | X2-5x-45=0 |