6x+21=13x-42

Simple and best practice solution for 6x+21=13x-42 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 6x+21=13x-42 equation:


Simplifying
6x + 21 = 13x + -42

Reorder the terms:
21 + 6x = 13x + -42

Reorder the terms:
21 + 6x = -42 + 13x

Solving
21 + 6x = -42 + 13x

Solving for variable 'x'.

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

Add '-13x' to each side of the equation.
21 + 6x + -13x = -42 + 13x + -13x

Combine like terms: 6x + -13x = -7x
21 + -7x = -42 + 13x + -13x

Combine like terms: 13x + -13x = 0
21 + -7x = -42 + 0
21 + -7x = -42

Add '-21' to each side of the equation.
21 + -21 + -7x = -42 + -21

Combine like terms: 21 + -21 = 0
0 + -7x = -42 + -21
-7x = -42 + -21

Combine like terms: -42 + -21 = -63
-7x = -63

Divide each side by '-7'.
x = 9

Simplifying
x = 9

See similar equations:

| 10x-8=6x+4 | | 11x+6=8x+18 | | 9x-22=86 | | 9x+5=68 | | 9x+9=3x+33 | | 2x+3=-5x+17 | | 2x+3=-5+17 | | 8x+9=49 | | 4x+68x=13 | | 4x+689x=13 | | 10x+7=8x+19 | | 3x+2M=18 | | 1x+2=3 | | (4x+3)-(x+5)=14-8x | | 4(3x+2)+3=3(2x-5)+2 | | 3(7-2x)=2(5-4x) | | 5x+3=2x+15 | | 2(4x+1)=56 | | 3(2x+1)=27 | | 20-3x=-61 | | 3a+1=13-a | | 4(x+2)=6x+4 | | 4(3n+7)=16 | | 6x+2y+7=0 | | 2x-5x+4=3x | | 4x+10=11x-4 | | 0.8x-0.4(20+x)=0.4(20) | | 7(2x-1)=7 | | 5(x-3)=40 | | 3n+16= | | 4a+16= | | 2(x-3)=14 |

Equations solver categories