21x-7=18x+8

Simple and best practice solution for 21x-7=18x+8 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 21x-7=18x+8 equation:


Simplifying
21x + -7 = 18x + 8

Reorder the terms:
-7 + 21x = 18x + 8

Reorder the terms:
-7 + 21x = 8 + 18x

Solving
-7 + 21x = 8 + 18x

Solving for variable 'x'.

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

Add '-18x' to each side of the equation.
-7 + 21x + -18x = 8 + 18x + -18x

Combine like terms: 21x + -18x = 3x
-7 + 3x = 8 + 18x + -18x

Combine like terms: 18x + -18x = 0
-7 + 3x = 8 + 0
-7 + 3x = 8

Add '7' to each side of the equation.
-7 + 7 + 3x = 8 + 7

Combine like terms: -7 + 7 = 0
0 + 3x = 8 + 7
3x = 8 + 7

Combine like terms: 8 + 7 = 15
3x = 15

Divide each side by '3'.
x = 5

Simplifying
x = 5

See similar equations:

| 4(1-5r)=25 | | 4(5c-1)-5=18c+9 | | 8y+13=y-1 | | 0.20x+0.35(70)=43.5 | | 24v^2-10v-6=0 | | 97=t+30 | | 5x+4=-3x+2(4x+2) | | 5(2x-6)=10x-30 | | 9m+20=11m-4 | | 5(w-20)-10w=5 | | 4x^2y^2z^2-26x^2y^2z^3=0 | | 5(x-4)-4=-4(-8x+3)-9x | | Z^2=-2Z+3 | | 23x-6-15x+2=23x-6-15x+15 | | 5=r/5 | | 7(x+3)-3(x-2)=16-(2x-3) | | =equation | | 2d^2-11d-21=0 | | s/-11=17 | | b+74=98 | | 5(v+5)-8v=-2 | | 130*1/2x | | 3mx+8=53 | | 7m-3=4m+6 | | -5=d/4-8 | | 3h+8=h+2 | | 8x-(27/4)x | | n-18=35 | | (4x^3-2x^2)=224 | | 7n+6n=34 | | -240=-10(-6b) | | 1/3-x/2=23/6 |

Equations solver categories