3x=84-4x

Simple and best practice solution for 3x=84-4x 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 3x=84-4x equation: 


Simplifying
3x = 84 + -4x

Solving
3x = 84 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
3x + 4x = 84 + -4x + 4x

Combine like terms: 3x + 4x = 7x
7x = 84 + -4x + 4x

Combine like terms: -4x + 4x = 0
7x = 84 + 0
7x = 84

Divide each side by '7'.
x = 12

Simplifying
x = 12

See similar equations:

| 5+4x=2x-1 | | 7x+5=35+x | | sqrt(4x-7-2)=3 | | sqrt(4x-7-2)=3 | | sqrt(4x-7-2)=3 | | sqrt(4x-7-2)=3 | | sqrt(4x-7-2)=3 | | y-(-3)=4(x-(-5)) | | 6x+3(x-14)=39 | | 6x+1=7x-1 | | 4x+5=-7+6x | | (4x-9y)(4x-9y)= | | x+10=6+2x | | 32g-25g=280 | | 3+5x=x+43 | | 82=4x+4x+10 | | -20x+8+7=5 | | 3x=4y+10 | | 17x-13=72 | | 87=3x+5x+7 | | 4+7x+4x=103 | | 10(6+x)=-19 | | f(2)=2(2)-5 | | (x^2+8)(x^2-8)= | | 6+3x+5x=94 | | -1m+4=3m | | 57=6x+2x+9 | | 48=4x+6x+8 | | 7x+9+x=49 | | 4+3x+3x=34 | | g(a)=5a-4 | | (3x+2)(4x-2)= |

Equations solver categories