21=2x-15

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


Simplifying
21 = 2x + -15

Reorder the terms:
21 = -15 + 2x

Solving
21 = -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.
21 + -2x = -15 + 2x + -2x

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

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:

| 8x-5=5x | | 4(x-9)=6x-32 | | 2-3(x+19)=5x+1 | | x-94=-91 | | 1.3x-.32=.98 | | 5-9x=-10 | | 5a-1=2a+11 | | 2.45x=7.35 | | .001x+.09=1.1 | | 3(5-x)-3(1-2x)=42 | | 3t-8t-3=0 | | 6x+9=2x-4 | | 2a+4+4a+b+5b= | | 5x+7=25 | | 27+5.8-6=37 | | x^2-36-9x=0 | | -2+1=-5 | | 27+5.8-6=36 | | x+(x-30)+4(x-30)=120 | | 2(2x-1)+6=4(1+x) | | 6(x+7)=x+25 | | x+3x+(3x+30)=120 | | 5m-4=-7 | | 2p(p-6p+1)= | | x+3x+(3x-30)=120 | | d-7=-21 | | 625+14641=x^2 | | x+30x+(30x-3)=120 | | a-4.8=5.9 | | 6m(4+m)= | | 11+3x-7=6x+5-3x | | 144+x^2-169=0 |

Equations solver categories