3x+9=90-8x

Simple and best practice solution for 3x+9=90-8x 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 3x+9=90-8x equation:


Simplifying
3x + 9 = 90 + -8x

Reorder the terms:
9 + 3x = 90 + -8x

Solving
9 + 3x = 90 + -8x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '8x' to each side of the equation.
9 + 3x + 8x = 90 + -8x + 8x

Combine like terms: 3x + 8x = 11x
9 + 11x = 90 + -8x + 8x

Combine like terms: -8x + 8x = 0
9 + 11x = 90 + 0
9 + 11x = 90

Add '-9' to each side of the equation.
9 + -9 + 11x = 90 + -9

Combine like terms: 9 + -9 = 0
0 + 11x = 90 + -9
11x = 90 + -9

Combine like terms: 90 + -9 = 81
11x = 81

Divide each side by '11'.
x = 7.363636364

Simplifying
x = 7.363636364

See similar equations:

| 88-2x=4x+22 | | x^2-10-11=0 | | 7(t-6)+5t=4(3t+5)-8 | | 9xn=-36 | | 10x^2-66x=0 | | 2(X^2+x)=8 | | 4n+5=29 | | 3n-13=67 | | (x+6)(x+7)= | | 11-8x=38-15x | | 0.5x^2+x=4 | | 5(6c+2)= | | 2(x^2)+x=8 | | 5x+45(x^2+5x)=12x+5 | | a(a-5)=24 | | 2(x^2)+x=4 | | 4(8+3)= | | t(t+2)=0 | | 64b^2-9=0 | | 79-6x=39x+24 | | 2(2x-3)(7x+4)=0 | | 3r^2+19r+28=0 | | 3x+45=72 | | -(8y+2)-(-7y-7)=1 | | 3(a+2)= | | x+9(78*9)=20 | | (x+5)(x-2)=x^2 | | 2x+10=x+49 | | 6-0.4(c-13)=0.8(c-13) | | (x-8)(3x+7)=0 | | 4m+4p-2m+p= | | 3w(11w+8)=0 |

Equations solver categories