3x+12=4x+42

Simple and best practice solution for 3x+12=4x+42 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+12=4x+42 equation:


Simplifying
3x + 12 = 4x + 42

Reorder the terms:
12 + 3x = 4x + 42

Reorder the terms:
12 + 3x = 42 + 4x

Solving
12 + 3x = 42 + 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.
12 + 3x + -4x = 42 + 4x + -4x

Combine like terms: 3x + -4x = -1x
12 + -1x = 42 + 4x + -4x

Combine like terms: 4x + -4x = 0
12 + -1x = 42 + 0
12 + -1x = 42

Add '-12' to each side of the equation.
12 + -12 + -1x = 42 + -12

Combine like terms: 12 + -12 = 0
0 + -1x = 42 + -12
-1x = 42 + -12

Combine like terms: 42 + -12 = 30
-1x = 30

Divide each side by '-1'.
x = -30

Simplifying
x = -30

See similar equations:

| -6+6x=12 | | -3x-14x+5=0 | | 9x+7+3x+4=85 | | 5-5v=25 | | 3(x^2)-15x=0 | | 7+x+1=x-36 | | 15-(x+9)=6x-8 | | 38xy+5x=38xy+5 | | -38-4r=-4(8r-5)-2 | | -5=5x-4(-x+15) | | 18-x+5=7x-3 | | X+59+x+129=180 | | 2(x+1)+x=17 | | 3(2x-320)=120 | | .1x=.2+.4 | | 7x+3=26 | | 5(1+7m)=5+m | | 59x+2+30x=180 | | 8(2x-4)=24 | | 6x^2-10-4=0 | | 21x=93 | | -6x+11=5x-(x-1) | | -32+8p=-4p+8(p-8) | | (X-5)(3x-1)=5 | | 5r+2-3r=2r-5 | | 4y+19=x | | 6+3n=12 | | y=-.75*x^2+7.05*x+1.75 | | 2(530-(-2.5x+1760))=5(x-492) | | 7x-3+12x+12=180 | | 7y+18=2y-2 | | 6x-4y+8y= |

Equations solver categories