2x-21=15

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


Simplifying
2x + -21 = 15

Reorder the terms:
-21 + 2x = 15

Solving
-21 + 2x = 15

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + 2x = 15 + 21

Combine like terms: -21 + 21 = 0
0 + 2x = 15 + 21
2x = 15 + 21

Combine like terms: 15 + 21 = 36
2x = 36

Divide each side by '2'.
x = 18

Simplifying
x = 18

See similar equations:

| x+.30x=70 | | 88.7a-15=-19.593 | | 6x-2(7x-3)=-66 | | 0.77x+0.13=1516 | | 88.7a-15=-12.54 | | 88.7a-15=(-12.54) | | -31=8x+113 | | 10ab+2a-5b-1= | | 140-3x=33x+24 | | 8k+70=7p+12 | | .10x+.8(500)=.30(x+500) | | F(x)=-5x+3 | | 3x-9=5x+7 | | y=(-3+1)-11 | | 12x^2+8x+9=0 | | 285=-10x+105 | | 10x+65=-35+5x | | -4+12=15x-5-14x | | 4x+24=12x-16 | | 7x+64=148 | | Findf(-2)whenf(x)=-5x+3 | | 19=28-x | | 5(x-5)=47-4x | | 13x+22=5x+142 | | 7(6x-2)=43x | | 3x-8=104-11x | | 5x-2(y-12)=8 | | y-(130)=-23/4x | | -162=-10x-42 | | 99-2x=43x+19 | | 5y-8y=-16-20 | | -3=(2x+1)-11 |

Equations solver categories