7x+42=3x+18

Simple and best practice solution for 7x+42=3x+18 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+42=3x+18 equation:


Simplifying
7x + 42 = 3x + 18

Reorder the terms:
42 + 7x = 3x + 18

Reorder the terms:
42 + 7x = 18 + 3x

Solving
42 + 7x = 18 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
42 + 7x + -3x = 18 + 3x + -3x

Combine like terms: 7x + -3x = 4x
42 + 4x = 18 + 3x + -3x

Combine like terms: 3x + -3x = 0
42 + 4x = 18 + 0
42 + 4x = 18

Add '-42' to each side of the equation.
42 + -42 + 4x = 18 + -42

Combine like terms: 42 + -42 = 0
0 + 4x = 18 + -42
4x = 18 + -42

Combine like terms: 18 + -42 = -24
4x = -24

Divide each side by '4'.
x = -6

Simplifying
x = -6

See similar equations:

| 9t+9= | | 6x^2-x-12=5 | | -2+46=x+22 | | -2(x-3)+3x-4=-x+6 | | lnx=3.2571 | | 5x^2+5y^2+10x-13=0 | | 5x+40=x+12 | | 2.5y=7 | | 47+58= | | 2.5-3e+t=3 | | b-15=-10 | | 2x^2-8x-13=7 | | (3x^2-x+4)= | | 4-2lnx=7 | | 6x^2+-3x=0 | | 5=c-18 | | -3x+5y+13=0 | | 3+64=c | | 3x-xy+y=0 | | v+-6=-2 | | 6+9x=20+2 | | x^2y-4x^2-25y=0 | | 8x+3=12+3 | | 9x+2=4x+1 | | 5y-25=2y-5 | | Z=cosx | | 6x^3-66x^2+60x=0 | | 1/5=2x-1/9x | | 6x+8=3x | | 4x+32=2x+34 | | 10-0.75z=8 | | (x+7)/6+(2x-8)/2=-4 |

Equations solver categories