21-4=15+2x

Simple and best practice solution for 21-4=15+2x 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 21-4=15+2x equation:


Simplifying
21 + -4 = 15 + 2x

Combine like terms: 21 + -4 = 17
17 = 15 + 2x

Solving
17 = 15 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
17 + -2x = 15 + 2x + -2x

Combine like terms: 2x + -2x = 0
17 + -2x = 15 + 0
17 + -2x = 15

Add '-17' to each side of the equation.
17 + -17 + -2x = 15 + -17

Combine like terms: 17 + -17 = 0
0 + -2x = 15 + -17
-2x = 15 + -17

Combine like terms: 15 + -17 = -2
-2x = -2

Divide each side by '-2'.
x = 1

Simplifying
x = 1

See similar equations:

| 3=y-4/x | | 8(2m+7n-5)+90= | | 4at-2t=4y | | -6(-8n+5)=162 | | 4x+7y=180 | | 3.2x+49.9=16.6-7.9x | | 6y+15=7y | | 6y+15y=7y | | (3r-7s+8t)5= | | 5(2x+5)=3(4x-1)+13 | | 3(5-y)-27=27y-6(2+5y) | | 24x+8-28x=1-5 | | 2(x+6)+5(x-3)=18 | | -7+g=84 | | 39.99+0.45m=44.99+0.40m | | 9x-9=9(x+8) | | 11x+4=2x+4 | | -7(r-4s-7t)= | | 4a^2+17a-15=0 | | 2/5x-3/2x=3/4x3 | | 3+2z-2=5z+8-2z | | (b^1/2)(b^5/2) | | 2y+18=2y-6 | | -4(4y+9)= | | -2-6=-3+x | | 5x-9x+3=3x+31 | | 25x+35=35x-45 | | 34x-28=17x+81 | | 20-6x=-8-14x | | 4x5/3 | | 18x-2=15-3x | | -5x+10x-8=51 |

Equations solver categories