x+3x+8=90

Simple and best practice solution for x+3x+8=90 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for x+3x+8=90 equation:


Simplifying
x + 3x + 8 = 90

Reorder the terms:
8 + x + 3x = 90

Combine like terms: x + 3x = 4x
8 + 4x = 90

Solving
8 + 4x = 90

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 + 4x = 90 + -8

Combine like terms: 8 + -8 = 0
0 + 4x = 90 + -8
4x = 90 + -8

Combine like terms: 90 + -8 = 82
4x = 82

Divide each side by '4'.
x = 20.5

Simplifying
x = 20.5

See similar equations:

| 8w+-3= | | 6x-6+11x+33= | | 9x-5=3(2x+6) | | 4a-6a+10a-12b= | | -3x^2y+(5xy^2+xy)= | | x^2+10x-5=11x+8 | | 5(x+4)+2x=5x | | -6=d-10/3 | | 84=14t | | 2a+a-3b+2b= | | -2r+6=-3r+7 | | 5+4a=9-3a | | 24+x=-3 | | 9(x-7)=5(x+5) | | x/(8^x) | | 2(2x+1)*3=6 | | 10(x-5)=-14 | | 15x-(5-(12x+6)+13x)=7x+15 | | 3x-10y+6z=35 | | 7-(-2m)=17 | | cosx=-7/16 | | (X-6)(x+0.7)=0 | | 5log(2x+1)=15 | | (3-6y)/(1-2y) | | 2x^2-1x=7 | | 64.7-8.74= | | 2x^2-72x+8=0 | | F(x)=2x^2-6x-7x^3+5 | | F(x)=x^4-x^3-3x^2-9x-108 | | 13x-64=180 | | 4+x^2+x^2=9 | | 5(3-7)-4(2x-5)=-8 |

Equations solver categories