4x-21=8x-45

Simple and best practice solution for 4x-21=8x-45 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 4x-21=8x-45 equation:


Simplifying
4x + -21 = 8x + -45

Reorder the terms:
-21 + 4x = 8x + -45

Reorder the terms:
-21 + 4x = -45 + 8x

Solving
-21 + 4x = -45 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-21 + 4x + -8x = -45 + 8x + -8x

Combine like terms: 4x + -8x = -4x
-21 + -4x = -45 + 8x + -8x

Combine like terms: 8x + -8x = 0
-21 + -4x = -45 + 0
-21 + -4x = -45

Add '21' to each side of the equation.
-21 + 21 + -4x = -45 + 21

Combine like terms: -21 + 21 = 0
0 + -4x = -45 + 21
-4x = -45 + 21

Combine like terms: -45 + 21 = -24
-4x = -24

Divide each side by '-4'.
x = 6

Simplifying
x = 6

See similar equations:

| 4-2x=-2(x-4) | | v-2/v+4+1v+2/v-1 | | -18-2x=-4(x+3) | | 2(y+4)-7y=28 | | 9x^2+18=0 | | 12+2x=5x+30 | | 2x^2-15x+58=0 | | 0.6(5)-2(-3)=x | | x+39+(x+15)=180 | | (t+7)(T+1)=16 | | -8+4y=-28 | | 0.6(5)-2(3)=x | | 0.3(5)-2(1.5)=x | | (3x-18)+2x=180 | | 1588=2x^2+24x+308 | | -69=23y | | -x+1/4=-11/36+2/3x | | 2(y+1)=4y+4 | | 7x=315 | | 5x-1.5=-3 | | 4/3x+2=-1 | | log(x)+log(x+15)=(2) | | -2y=-3 | | -13=3W-4 | | 6/7x=18 | | 5x-2=-3 | | 28/5=5w+1/5 | | 12y=15-x | | 22x+41=5x-10 | | 0.3x+0.7=2 | | 3(5-3x)=-3(5+4x) | | 6a+4+2a= |

Equations solver categories