12+4x=x+9

Simple and best practice solution for 12+4x=x+9 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+4x=x+9 equation:


Simplifying
12 + 4x = x + 9

Reorder the terms:
12 + 4x = 9 + x

Solving
12 + 4x = 9 + 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.
12 + 4x + -1x = 9 + x + -1x

Combine like terms: 4x + -1x = 3x
12 + 3x = 9 + x + -1x

Combine like terms: x + -1x = 0
12 + 3x = 9 + 0
12 + 3x = 9

Add '-12' to each side of the equation.
12 + -12 + 3x = 9 + -12

Combine like terms: 12 + -12 = 0
0 + 3x = 9 + -12
3x = 9 + -12

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

Divide each side by '3'.
x = -1

Simplifying
x = -1

See similar equations:

| 3n-4=3+2(n) | | 7(3x-10)-9(-12x+8)=116 | | -2y-16x=41 | | -5(1+5a)=-205 | | 16x-2x^2= | | -5m+2+8m=2m+1 | | 6y+10+17= | | -102+2x=-10x+54 | | 8*4=n | | 51=-9(k-4)+4(12-6k) | | 1.7x+2.3x=100 | | 3(2y+2)=16(2y) | | 4(a-6)+2a=3(a-4) | | -3(7+10x)-8(-x-4)=99 | | 6t+3(5t-4)=12(2t+5) | | 18-(5x+8)=4(3x-7) | | 4(2x+5)=5x+4 | | .2(x+3)-3(2x+4)=8-6x | | 4x-14(1-7)=-626 | | a/2+1/5=17 | | 120=50t-5t^2 | | [10x-9]+3=14 | | 1(6y-1)=1y | | 3(x+8)+x=32 | | 6a-3=4a+3 | | -6+8(8n-5)=274 | | -3/10=x/10 | | a-6a=0 | | (11x+8)(11x-8)=121x-64 | | 2x-6(x-1)=6-(4x+6) | | -6(-5x+6)=144 | | x+2+x+1=x+7+x+9+x+3 |

Equations solver categories