5x-15+x=21

Simple and best practice solution for 5x-15+x=21 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 5x-15+x=21 equation:


Simplifying
5x + -15 + x = 21

Reorder the terms:
-15 + 5x + x = 21

Combine like terms: 5x + x = 6x
-15 + 6x = 21

Solving
-15 + 6x = 21

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + 6x = 21 + 15

Combine like terms: -15 + 15 = 0
0 + 6x = 21 + 15
6x = 21 + 15

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

Divide each side by '6'.
x = 6

Simplifying
x = 6

See similar equations:

| 1.25+0.5x=3+0.13x | | A=1/5(3.14)n(n)v | | -16=-0.2b | | X^4+4x^2-5= | | 130=15x | | X/2/7=1/4 | | j-3j=-28 | | 1.4(x-0.2)+1.7x=0.7(x-1.4)2.38 | | -4d+19-d=9 | | 9c=.45 | | 0=x^2+5x-1000000 | | (3x-15)=90-(2x-10) | | 84x^2+323x+120=0 | | sin15=10/x | | 6M=18/6 | | -3-3k=18 | | X^3-x^2-56x= | | 8-22=5n+5 | | v=(30-2x)(16-2x)(x) | | 3.50x+10=5.25x+11 | | 2a=1.6 | | 10n+2=10 | | 0.25(2x+5)=3+.13x | | 4x+-8=-12 | | 0.4(x+0.3)+0.4x=0.4(x-1.7)-3.2 | | 8y=0.6x-1 | | 4f-19=-3 | | b/13-7b/13=36/13 | | 5x+-2=-12 | | 2.50+3b=358 | | 3y=17+9 | | 5x+-2=13 |

Equations solver categories