42=7-x

Simple and best practice solution for 42=7-x 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=7-x equation:


Simplifying
42 = 7 + -1x

Solving
42 = 7 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
42 + x = 7 + -1x + x

Combine like terms: -1x + x = 0
42 + x = 7 + 0
42 + x = 7

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

Combine like terms: 42 + -42 = 0
0 + x = 7 + -42
x = 7 + -42

Combine like terms: 7 + -42 = -35
x = -35

Simplifying
x = -35

See similar equations:

| r+7-3r=-1 | | 5z+4=10z-4 | | 5z= | | 5x-4=-3x+8 | | 4a^2+5b=9b-7c | | a+2a=0 | | 5x-4=-3x+3 | | y=0.04 | | 2(r-7)-3=7 | | 219=57+27d | | t^2-15=10 | | 7b^2sqrt(100b^5x^6)= | | 7/5-r=2/7 | | (x^2)y+4y=8 | | 8z^2+6x+1=0 | | 5(x+1)=2(x+-2) | | 7+4*-3= | | x*x-72+16= | | 112^1/2 | | 3x-10x+4x+3=5x-3 | | 2(9+-0.5y)+y=18 | | H(x)=x^2+29x+100x | | 5x+7x=24x-144 | | X^2/12-x/3=o | | b+16=-52 | | 4n+m=3m-2 | | 1088=5s-(100+2s) | | 2x-6x+26=20x+2 | | LN=(2/7)x | | 3b-2d-6= | | 0.4=48 | | (X^(2)-8)^(2/3) |

Equations solver categories