8x-5(x-3)=21

Simple and best practice solution for 8x-5(x-3)=21 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 8x-5(x-3)=21 equation:


Simplifying
8x + -5(x + -3) = 21

Reorder the terms:
8x + -5(-3 + x) = 21
8x + (-3 * -5 + x * -5) = 21
8x + (15 + -5x) = 21

Reorder the terms:
15 + 8x + -5x = 21

Combine like terms: 8x + -5x = 3x
15 + 3x = 21

Solving
15 + 3x = 21

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 3x = 21 + -15

Combine like terms: 15 + -15 = 0
0 + 3x = 21 + -15
3x = 21 + -15

Combine like terms: 21 + -15 = 6
3x = 6

Divide each side by '3'.
x = 2

Simplifying
x = 2

See similar equations:

| x^2=47 | | 7-12x=3y | | -6+-6= | | 0=5h-10 | | 3y-10x=4 | | y^2+2y+2-y^2+(-49)=0 | | -4=-6h+2 | | -2(-2x+3)+2x=18 | | 4x-12y=4 | | -3=6h+9 | | 60x^3-30x=0 | | 18x^2=8 | | -4n+2=14 | | 60x^3+30x=0 | | -5n-19=7 | | 77+-77=13 | | -8n+25=0 | | n^2+n-306=0 | | 4x+5=80 | | -4h-7=6 | | n^2+n-110=0 | | 6=6h+6 | | 10x+5=7x+9 | | -4.4h+0.7=-3.7 | | 29+-1=13 | | 2x+3*4x^3+8x^2-6x+7= | | 7b-37=0 | | X^3=4x | | 0=7k-9 | | X^2+5x=84 | | 4(6-3)-2*2*2= | | -10=-7n-16 |

Equations solver categories