x+9+3=40

Simple and best practice solution for x+9+3=40 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 x+9+3=40 equation: 


Simplifying
x + 9 + 3 = 40

Reorder the terms:
9 + 3 + x = 40

Combine like terms: 9 + 3 = 12
12 + x = 40

Solving
12 + x = 40

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + x = 40 + -12

Combine like terms: 12 + -12 = 0
0 + x = 40 + -12
x = 40 + -12

Combine like terms: 40 + -12 = 28
x = 28

Simplifying
x = 28

See similar equations:

| -14a=21 | | 13b=-91 | | 8b-22=2b-22 | | 4y+3-(y-2)= | | -(x+7)=-6x+6 | | 2x^2-1x-12=0 | | 2(15-x)=87 | | 7a-12/4 | | -5/7(y-28)-1/21y | | (15-x)=87 | | -2y-7=56 | | 16x^2-6x=22 | | (x-5)(x-1)=32 | | 2y+5=y+1 | | 5(1)+6y=5 | | 10+x=8+4x | | Y/4-y/2=8 | | 125-(5x+3)=5(x+9)+x | | 10x^2+100x+98=-152 | | (X^-9y^5z^-2)/(x^-4yz^5) | | 5s+2+3=5(s+1) | | -7d-4+8d+2= | | 123-(5x+3)=5(x+9)+x | | 87-15=x | | u^2+12u-13=0 | | .33(x-6)=3x-2(x-1)+9.33 | | 2.8y-1.8y+7.9=-2.9 | | 4r+4=16r+7 | | 87=x-15 | | 2x^2=-8x+3 | | 3+2n=20 | | y-4.7=6.3 |

Equations solver categories