6x+15+3x+21=90

Simple and best practice solution for 6x+15+3x+21=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 6x+15+3x+21=90 equation:


Simplifying
6x + 15 + 3x + 21 = 90

Reorder the terms:
15 + 21 + 6x + 3x = 90

Combine like terms: 15 + 21 = 36
36 + 6x + 3x = 90

Combine like terms: 6x + 3x = 9x
36 + 9x = 90

Solving
36 + 9x = 90

Solving for variable 'x'.

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

Add '-36' to each side of the equation.
36 + -36 + 9x = 90 + -36

Combine like terms: 36 + -36 = 0
0 + 9x = 90 + -36
9x = 90 + -36

Combine like terms: 90 + -36 = 54
9x = 54

Divide each side by '9'.
x = 6

Simplifying
x = 6

See similar equations:

| 5=-972 | | 2y-2-5y=o | | -6x+8=7x-83 | | 9-2x=7x+90 | | 5x-6=6-7x | | f(-x)=4x^2+5x-6 | | 7x^2-2-2=0 | | p-31/6=-21/2 | | 48+y=-6 | | 10.1=w+5.3 | | -8x-8=24-x | | 4/5-1x=10 | | 16x^2+8=36 | | (3x+1)(2x+4)= | | 8(c-1)=40 | | x-3=4+3 | | (h-5)(h-6)= | | (2p+1)(p+3)= | | (4z-3)(7z+6)= | | 2z^2=z+6 | | (y/5) | | x-7=19-x | | (x^2+x^4)(x^2-y^4)=0 | | 1/3m-7=5 | | 7/2x+7=9 | | 3x/7+2=-15 | | (X+2)(x^2+5x-7)=0 | | 8(6)=(1/2)z+5 | | 2/3x-2=19 | | 2x^3+8x^2+9x+2=0 | | 8=(1/2)z+5 | | 2/3m-4=14 |

Equations solver categories