12+3=x

Simple and best practice solution for 12+3=x 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 12+3=x equation:


Simplifying
12 + 3 = x

Combine like terms: 12 + 3 = 15
15 = x

Solving
15 = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
15 + -1x = x + -1x

Combine like terms: x + -1x = 0
15 + -1x = 0

Add '-15' to each side of the equation.
15 + -15 + -1x = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -1x = 0 + -15
-1x = 0 + -15

Combine like terms: 0 + -15 = -15
-1x = -15

Divide each side by '-1'.
x = 15

Simplifying
x = 15

See similar equations:

| 121=11x | | 8m+6n-2m+9n= | | 10x-7=2x+r | | 4(-8x+5)=-32x+20 | | 94-7x=11x+16 | | 5-8x=105-36x | | 122-5x=5x+12 | | -59-2x=11-9x | | 3x+5=55-2x | | 3x+18=13x-102 | | (y-6)-(y+9)=7y | | x^3+8=0 | | (0.10x+25)=(0.05x+10) | | (10x+25)=(0.05x+10) | | 11p+2=3+p | | 36n-42=102+12n | | 8x-(4x+7)=13 | | 22+2x=37+6x | | 2g+3+5=0 | | 15=p+4p | | 14x+21=8 | | 11x+2=57 | | 5-9(41-32)+7=x | | -3(2x+10)=0 | | 15x+9y=21 | | 6-9(25-17)+46=x | | 6-9(25-17)+46= | | -5x^3+5x^2+8x+7= | | 2n+12.00=16.95 | | 3x+13=-39-10x | | -22-3x=8-9x | | 82-5x=10x+22 |

Equations solver categories