4+9=x-7

Simple and best practice solution for 4+9=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 4+9=x-7 equation:


Simplifying
4 + 9 = x + -7

Combine like terms: 4 + 9 = 13
13 = x + -7

Reorder the terms:
13 = -7 + x

Solving
13 = -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.
13 + -1x = -7 + x + -1x

Combine like terms: x + -1x = 0
13 + -1x = -7 + 0
13 + -1x = -7

Add '-13' to each side of the equation.
13 + -13 + -1x = -7 + -13

Combine like terms: 13 + -13 = 0
0 + -1x = -7 + -13
-1x = -7 + -13

Combine like terms: -7 + -13 = -20
-1x = -20

Divide each side by '-1'.
x = 20

Simplifying
x = 20

See similar equations:

| .35p+3.2=-4p | | -6(v+4)+3v+6=8v+7 | | 11-6x=5-4x | | 0=36x^3+9x^2-150 | | -0.9x(x-8)=1.1x+5.3 | | 5x+4x+4x+30=180 | | 100a^2-64=0 | | 14x+(15+4)= | | 7(a-b)-(4b-6a)= | | -3x^2-18x-26=0 | | 3x+80=7x | | N^2-n-10=2 | | 33.33x^3-54x^2-1701=0 | | 15=7+2+1+x | | 3x+5x-20=x | | 2x^2+13x+9=1 | | 14w+17w-2+1=-3w+1-2 | | 4+2x-3=-17 | | x(7x^2-1)=y(1-7x^2) | | 2x(x-9)=18x^2-19X | | x(7x^2-1)=y(1-7y^2) | | 4+2x-3=17 | | .3(3y+6)-8=-.1(27y-54) | | 8(x-1)=5x-35 | | 3(2x+2)=6(2x+1) | | P=Q-25 | | 4-0.7(a-1)=0.6(8a-1) | | -50-2x=50 | | -62+197R+449R^2+475R^3+245R^4+50R^5=0 | | .3-.06x=1.25 | | -6(3p+4)-20=4(5p+8) | | 5+3(2-3x)=5x+3(2x-3) |

Equations solver categories