5+3x+5x=21

Simple and best practice solution for 5+3x+5x=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 5+3x+5x=21 equation: 


Simplifying
5 + 3x + 5x = 21

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

Solving
5 + 8x = 21

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + 8x = 21 + -5

Combine like terms: 5 + -5 = 0
0 + 8x = 21 + -5
8x = 21 + -5

Combine like terms: 21 + -5 = 16
8x = 16

Divide each side by '8'.
x = 2

Simplifying
x = 2

See similar equations:

| 4x-y=2x+2y | | 12(2y+11)=12(2y+12) | | 999999999999999-8888888888888= | | (2x+7)+(2x-4)= | | 6.9=840/(x/40) | | 3x-9=2y-40 | | e+6=3e-18 | | 6(3y-3)=-38 | | 2x(4x-9)=6/1-x | | -7+7g=10g-2 | | sin(10x)+sin(5x)=0 | | -6+3i=2i+4 | | 7=840/(x/40) | | 5p+3p-4p-3p+1=14 | | x-x/10=100 | | 3-t=4t+12 | | 7=840/x | | -3m+16m+-17m+-m+4m+1=-13 | | 93/100=8.15/8.8 | | x-4/3=-3 | | 6e-7=-2+2e | | 13u+13u+-17u+3=-15 | | 9h+3=4h-9 | | 7x+13+10x-2=x+27 | | -11-6=-17 | | 7x^2+11x=10 | | 3c-7=17 | | 2t-t-1=7 | | 12+2x=14+4x | | 25-30/(15-3*5) | | 4s+8s+13s+-10s=-15 | | 250/4 |

Equations solver categories