42+3x=123

Simple and best practice solution for 42+3x=123 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 42+3x=123 equation: 


Simplifying
42 + 3x = 123

Solving
42 + 3x = 123

Solving for variable 'x'.

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

Add '-42' to each side of the equation.
42 + -42 + 3x = 123 + -42

Combine like terms: 42 + -42 = 0
0 + 3x = 123 + -42
3x = 123 + -42

Combine like terms: 123 + -42 = 81
3x = 81

Divide each side by '3'.
x = 27

Simplifying
x = 27

See similar equations:

| 16=18-9y | | -3u-24=9u | | 24-2(x)=162 | | 16=-18-9y | | n-19=76 | | 4z(2z+3)=36 | | 5x+3y=-4 | | 3-(-3z+3)=6(2z+4)+7 | | (2a^3+a-5)-(8-5a^3-3a^2)= | | -z=-8 | | x=180-(4x+5)-x | | W(w+6)+4w=-7+w(w+9) | | -7n+4=-5 | | 15a-6a^3= | | -4y-20=4y+12 | | (5-8)h=160 | | 15a-16a^3= | | 5(2z-2)=9(z+3) | | x^4-9x^3+20x^2=0 | | 5-3(b-4)=6b+8equation | | 5x+16+3x+4=180 | | -3w-14=-5w-18 | | 6z-9=15 | | 5-3(b-4)=6b+8 | | -0.6y-4.6=0.5y+5.3 | | y^2-12y=0 | | 7t+12=5t | | 10x^2-11x-6=0 | | -12u+12=-4(3u-3) | | 5x^2-3x+3=0 | | 9x^2-12x+5=0 | | (3x-8)+(4x)=90 |

Equations solver categories