If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
2x2 + 8 = 20
Reorder the terms:
8 + 2x2 = 20
Solving
8 + 2x2 = 20
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-8' to each side of the equation.
8 + -8 + 2x2 = 20 + -8
Combine like terms: 8 + -8 = 0
0 + 2x2 = 20 + -8
2x2 = 20 + -8
Combine like terms: 20 + -8 = 12
2x2 = 12
Divide each side by '2'.
x2 = 6
Simplifying
x2 = 6
Take the square root of each side:
x = {-2.449489743, 2.449489743}
| 5k-6/2=5 | | -3x-2=-2x+12 | | 7-3(y-1)=2(y+5) | | 2q+3=3q-5 | | 6+(y+5)=(6+y)+5 | | 13x-(5x-4)=20 | | 3k-8/4=5 | | 56633+555x=89 | | 7x+5=3x-6 | | 2(x+6)/3=3x-3 | | 9a+48=6a+50 | | 3(a-4)-2(a-5)=4a+6 | | -5(-7-3x)=125 | | 7+3x/2=5x/3 | | 145-4x=41x+20 | | 3x-4=4-x | | -3/2x-4/3y=16 | | 8-7x-6x=-5x+16 | | 2x+6+3(x-8)=3(-8+x) | | 0.25(16x+6)-3x+5=2-2x | | (m/8)+3=16 | | 9/10-3/4 | | -26r=34 | | 9-7x=73+21x | | 2.7x+1.1=6.5 | | 5/2x-8=x+4+3/2x | | 0.5x-0.3=1.2 | | 7/8m=49 | | 3-7m=17 | | 0.2x+6=16 | | 5x-4=2x-16 | | p+(-54)=27 |