-7+4x=21

Simple and best practice solution for -7+4x=21 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 -7+4x=21 equation:


Simplifying
-7 + 4x = 21

Solving
-7 + 4x = 21

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + 4x = 21 + 7

Combine like terms: -7 + 7 = 0
0 + 4x = 21 + 7
4x = 21 + 7

Combine like terms: 21 + 7 = 28
4x = 28

Divide each side by '4'.
x = 7

Simplifying
x = 7

See similar equations:

| 8e-6=26 | | 1.5y-6=12 | | (z-5)*(z-2)= | | 42=6x+4x+2 | | 20x^2+20x-1=0 | | 5a^2+8a-6=0 | | 5x-2y=56-3x | | x^4+4x^3-35x^2-12x+96=0 | | (b-3)*(b+2)= | | 9.2+(-15.012)= | | x+(x(.0795))=29.35 | | Z^2+6z=12 | | -5(1-6m)=-125 | | 3x^2+6x=60 | | 1/9-9t=-3 | | x+1+x=15 | | 22=-(3h+4) | | 42-3=13 | | 3(5+4)-2*3=x | | x+1+7x=49 | | x^3-4x^2+4x+2=0 | | -7(2x-3)+16=9 | | 3(5+4)-2*3= | | 25+4=14 | | 28=6x-2 | | (z-4)*(z+3)= | | -3x+8=9x+7 | | 114-6x=21x+24 | | 7c+5=47 | | 9+8+(-25)= | | 2+2+2+4= | | (b+9)*(b+4)= |

Equations solver categories