2x+3x+21=21

Simple and best practice solution for 2x+3x+21=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 2x+3x+21=21 equation:


Simplifying
2x + 3x + 21 = 21

Reorder the terms:
21 + 2x + 3x = 21

Combine like terms: 2x + 3x = 5x
21 + 5x = 21

Add '-21' to each side of the equation.
21 + -21 + 5x = 21 + -21

Combine like terms: 21 + -21 = 0
0 + 5x = 21 + -21
5x = 21 + -21

Combine like terms: 21 + -21 = 0
5x = 0

Solving
5x = 0

Solving for variable 'x'.

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

Divide each side by '5'.
x = 0

Simplifying
x = 0

See similar equations:

| 7(10-3d)=5(10-4d) | | -x*x=0 | | -6|x-1|=-4 | | 2z+6=-(-2z-6) | | 9x+5=-4+6x+18 | | -3/4x=-19.5 | | A-20=100 | | 7y-5-3y+2=0 | | 0.7x+0.2(50)=0.5(x+30) | | 3x-7=5-3x | | (1/9)(7x-9)=((x+9)/18) | | 2x-1/3+3x+4/4+7(x+3)/10 | | 4x+3(-4+2x)=-12+10x | | 2-(3+x)=4 | | (8x/3)-(5x/4)=-13 | | 1/2(20z+18)-6=9(z-1) | | 14x+3=6x+3 | | 90-x=180-5x | | 3y^2-2y-21=0 | | (x/5)+2=9 | | 4x^2+x-(1/8)=0 | | 8(x+5)=4+8x | | 17-(x+9)=9x-2 | | b=(4+b/2)+4 | | 4x^2+10x=15 | | 7x+27=9(x+3)-2x | | gcfa^7+b^5-a^4b^3+a^3b^8-a^3b^3= | | 14-(x+9)=9x-2 | | 3|x-2|+5=7 | | K/3+5=8 | | -2k-(4+3k)=-22+k | | 2/5s+4=-12 |

Equations solver categories