8x+3=21

Simple and best practice solution for 8x+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+3=21 equation:


Simplifying
8x + 3 = 21

Reorder the terms:
3 + 8x = 21

Solving
3 + 8x = 21

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 8x = 21 + -3

Combine like terms: 3 + -3 = 0
0 + 8x = 21 + -3
8x = 21 + -3

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

Divide each side by '8'.
x = 2.25

Simplifying
x = 2.25

See similar equations:

| 13x(-3)-7x(3)= | | 28-2.2x=11.6-54.8 | | Q-13=-14 | | 2(3+-10)-2(-10)=6(-10+2)-26 | | -42j+18-19j=-28 | | 3y-5+5y-9= | | 14=5(x-2)-(x-8) | | -18=0.6-0.8x | | -6x-2=16 | | 29=24+k | | (3+-10)-2(-10)=6(-10+2)-26 | | 7x-8=2d-7 | | z^2-2z^2= | | -20=q-7 | | 12=.8g | | 2(3+-10)-2(-10)=6(-b+2)-26 | | -42j+18-j=-28 | | 3x+4x+8=22 | | -4(9w-3)=2 | | -153=-13x-4x | | 24=a-1 | | 2(7+x)=-6-3x | | Q-5=-3 | | 2x-7=9x+5 | | 2x+18=60 | | 4x-2=6x+4 | | x(12)=16(x-2) | | -r-13r=126 | | 30+y=6 | | 2x=-16x+4 | | 2x-18=60 | | x-3=-7x+85 |

Equations solver categories