6x+21=3x+90

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


Simplifying
6x + 21 = 3x + 90

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

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

Solving
21 + 6x = 90 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
21 + 6x + -3x = 90 + 3x + -3x

Combine like terms: 6x + -3x = 3x
21 + 3x = 90 + 3x + -3x

Combine like terms: 3x + -3x = 0
21 + 3x = 90 + 0
21 + 3x = 90

Add '-21' to each side of the equation.
21 + -21 + 3x = 90 + -21

Combine like terms: 21 + -21 = 0
0 + 3x = 90 + -21
3x = 90 + -21

Combine like terms: 90 + -21 = 69
3x = 69

Divide each side by '3'.
x = 23

Simplifying
x = 23

See similar equations:

| 50+2p=100 | | 13.61=138.24(l+x)+28 | | (3-6i)-(-7+8i)= | | 60+40t=250 | | 8x+5y=595 | | 6+30x=15+33 | | 2(x+-3)+3y=0 | | 9y+4=13y+11 | | 3x-5=6x-60 | | -1-3x=5-3(2x+4) | | 2(f-7)=-10 | | 18xy+4=0 | | 3y+3gf+3gf= | | 3(5-12)+4= | | 5(X+3)=3(X+9) | | 33=-5q+18 | | 2cosx^2-3cosx-3x+4=0 | | -2x-4y=2x-16 | | 0.75(8+e)=2-1.25e | | 6t+2j-3f= | | (7d+4)=7-1.5d | | X^2+12*x+5=0 | | 2d+3b+16= | | 12y^2-20y-25=0 | | 13(x+4)=4-7 | | 5(2-y)+4=-6 | | n^2-n-240=0 | | 4(3x-7)=29 | | -1c+m=8 | | -1c+m=8form | | 0.6(2h-4)=2.4+1.2 | | -2(b-4)=2.4+1.2h |

Equations solver categories