21=13+2x

Simple and best practice solution for 21=13+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=13+2x equation:


Simplifying
21 = 13 + 2x

Solving
21 = 13 + 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 = 13 + 2x + -2x

Combine like terms: 2x + -2x = 0
21 + -2x = 13 + 0
21 + -2x = 13

Add '-21' to each side of the equation.
21 + -21 + -2x = 13 + -21

Combine like terms: 21 + -21 = 0
0 + -2x = 13 + -21
-2x = 13 + -21

Combine like terms: 13 + -21 = -8
-2x = -8

Divide each side by '-2'.
x = 4

Simplifying
x = 4

See similar equations:

| 3=0.05 | | 0.3x-0.9(4-3x)=-0.6(x-6) | | 21=13(x*2) | | 71-x=4.3 | | 5(2x+4)-3(4x-6)=2(20-x) | | 3.8y=-9 | | -2(5x-1)+x=-4(x-3) | | -13x^2+130x^2-208x= | | 3=0.005 | | 7(x+8)+7=63 | | K+3(k-2)= | | 6m-18=-27+5m | | P=500-4Q | | 2(x-3)(5x+1)-8=(2x-3)(5x+2)+9 | | 8/5x-16=102 | | m-33=152 | | y-5=8x | | y+7=x+5 | | 6=.66666666666x-6 | | 6=.666x-6 | | 76-z=32 | | 17-(6x-3)=16 | | 2t+9=15-7 | | 2*sin(2x)*cos(2x)=sin(5x) | | W-1/3-3/4 | | ((5x)/2)-3=(2x-7)/9 | | 5x-4y-13=x+y+33 | | 5x/2-3=(2x-7)/9 | | y-7x=13 | | sin(2x)=sin(5x) | | x/3-12=18 | | (-5/2)-(-6/7)w=-7/3 |

Equations solver categories