10x+(9)=21

Simple and best practice solution for 10x+(9)=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 10x+(9)=21 equation: 


Simplifying
10x + (9) = 21
10x + 9 = 21

Reorder the terms:
9 + 10x = 21

Solving
9 + 10x = 21

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 10x = 21 + -9

Combine like terms: 9 + -9 = 0
0 + 10x = 21 + -9
10x = 21 + -9

Combine like terms: 21 + -9 = 12
10x = 12

Divide each side by '10'.
x = 1.2

Simplifying
x = 1.2

See similar equations:

| 7/2x-2=28-4x | | 16m-23=6k-13 | | 3(5-t)-4t=36 | | 12(t-2)+3t=5(3t+5)-9 | | 9x+2+4x+5=12x+3 | | -12+4x+3+5x=2x^2-6x-2 | | c/6=-21 | | 725.00+10.50x=19.50 | | 3x(x-5)=7x(x)-16x | | -5p-7=-11-4p | | 725+10.50=1950x | | X*2-12x-18=0 | | 11x(x)-9x=0 | | 42=x/3+21 | | -5(x+3)+6=-9 | | 26.4/2.3=x | | 2x(x)-15x=8 | | j^4/j^10 | | 7(h+4)+5=75 | | 2x^3+5x^2-6x-4=0 | | 3n=0.48 | | 15x(x)+26x+8=0 | | 4=-3x-4-2y | | 5x^2=4-4x | | x(x+6)-72=0 | | 9+7lnx=23 | | 20-(-6)-(-7)= | | (x+2x-120)(x+2x-120)=0 | | -8x=5 | | x^2+10x=-3x | | -(5y+1)-(-4y-8)=2 | | 17c^2-26c=16 |

Equations solver categories