-7+7x=21

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


Simplifying
-7 + 7x = 21

Solving
-7 + 7x = 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 + 7x = 21 + 7

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

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

Divide each side by '7'.
x = 4

Simplifying
x = 4

See similar equations:

| 5x^3+40x^2+75x=0 | | 4(n-3)=16 | | 6t+2s=8 | | 3r^3+12r^2-36r=0 | | -1.33x=-1.33x-5.66 | | 5/2=4g/5 | | 30x^2+31xy+5y^2=0 | | (2w-3)w-27=0 | | 2.8x+4.5=.3-.5x | | 0.83+3j=0.6 | | 9v^2-13v+3=0 | | 36p^3q-25pq^3=0 | | 7x+14-6x-16=18 | | (2w+1)w-66=0 | | .75=.375x-1.50 | | 2(g+3)+5(1-g)=10 | | 5a^2+33a+18=0 | | -3-7x=-87 | | 2s+6t=8 | | 8x+3-2x=3x+12 | | 4+6x=40 | | 4y+13=2y+7 | | 5(3)-2y=-13 | | 7x^2=182 | | x/3=-4-(-3) | | 8-7x=78 | | -9+7x=-9 | | L(2w+5)=65 | | ((2x^2)4)-16=0 | | 3x-5x=14 | | w^2-27w+162=0 | | -6h+4-3+h=h |

Equations solver categories