7x+30-4x=12

Simple and best practice solution for 7x+30-4x=12 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 7x+30-4x=12 equation:


Simplifying
7x + 30 + -4x = 12

Reorder the terms:
30 + 7x + -4x = 12

Combine like terms: 7x + -4x = 3x
30 + 3x = 12

Solving
30 + 3x = 12

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + 3x = 12 + -30

Combine like terms: 30 + -30 = 0
0 + 3x = 12 + -30
3x = 12 + -30

Combine like terms: 12 + -30 = -18
3x = -18

Divide each side by '3'.
x = -6

Simplifying
x = -6

See similar equations:

| 2z+7z=36+45 | | -3+9-12=-13 | | 4x-34=x | | 10+3(x-1)=4x | | .75(2x-5)=-8 | | 2y-y=4 | | .40-3x=x+4 | | -4-9+8= | | x-4=9x+6+2x | | 5n+17n=198 | | -3+9-12= | | -10.1x=40.4 | | 8-2y=3y-s | | 5xy-7xy+3-2+xy= | | 4+3z-2=9z+9-5z | | -7x+-x=25 | | 7x+-x=25 | | 15=2x+17 | | 3.1q-5.5-4.7q=-2.6q-1.9 | | -12x+4=8x-(-6) | | (2x-5)(4x-8)= | | 4r+4r=72 | | 4x+6m= | | 40x=5x | | 6-a+1+4a^2+4a^2+2a= | | 4z=17-33 | | x-28=-39 | | 7(t-5)+8t=5(3t+2)-8 | | y^4+1=0 | | 3x-1=-5x+7 | | -3x+12=18x+5 | | 3x+y=700 |

Equations solver categories