3-x=x+7

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


Simplifying
3 + -1x = x + 7

Reorder the terms:
3 + -1x = 7 + x

Solving
3 + -1x = 7 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
3 + -1x + -1x = 7 + x + -1x

Combine like terms: -1x + -1x = -2x
3 + -2x = 7 + x + -1x

Combine like terms: x + -1x = 0
3 + -2x = 7 + 0
3 + -2x = 7

Add '-3' to each side of the equation.
3 + -3 + -2x = 7 + -3

Combine like terms: 3 + -3 = 0
0 + -2x = 7 + -3
-2x = 7 + -3

Combine like terms: 7 + -3 = 4
-2x = 4

Divide each side by '-2'.
x = -2

Simplifying
x = -2

See similar equations:

| 3/5x2/1= | | 2x+(x+4)=2 | | log(y-37)=5x | | 7x=-310+3x | | 9y+2=10y-5 | | X^2-36+7(x+6)=0 | | 3(x-5)+8=2(9-x) | | 4(2x-1.4)=3x-5.6 | | 2x=-3x+26 | | 2(1-k)x^2-4kx+k=0 | | cos^2x=0.5 | | y=9x^4/3x^2 | | 5a+8=3+6a | | 2k-3=6 | | 5/7m-1/2=4/5 | | 3x+9=5x-21 | | 4/9m=8 | | sinx=0.65 | | (9d^2+2d+4)y=0 | | (1-d)x+(1-d)(x+1)= | | (4/3)3.14r^3 | | 74-39=2 | | 3y+16=7y | | a^3+2a^2-a=2 | | t=s+ys | | 8x-5y+5z=1 | | t=s+yfors | | 4(t-5)+3= | | 2(p+5)=13p | | 0.1x^2+0.7x+1=0 | | 18x-3x^2-4xy=0 | | (x^2+y^2)dx+(x^2+xy)dy=0 |

Equations solver categories