-7(x+3)=21

Simple and best practice solution for -7(x+3)=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(x+3)=21 equation:


Simplifying
-7(x + 3) = 21

Reorder the terms:
-7(3 + x) = 21
(3 * -7 + x * -7) = 21
(-21 + -7x) = 21

Solving
-21 + -7x = 21

Solving for variable 'x'.

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

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

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

Combine like terms: 21 + 21 = 42
-7x = 42

Divide each side by '-7'.
x = -6

Simplifying
x = -6

See similar equations:

| 3x+19=363 | | y=-3(x-32)+96 | | -30=j-50 | | -5x+15=-25 | | 22-4x=13-7x | | A^2+4=5a | | 8=8w | | 2n+50=180 | | -5t+6h+5-t-3h= | | 9v+3=-2v-19 | | 700+80+n=780+n | | 7500=x*7 | | 7n=-n+56 | | 6(-8x+7+4y)= | | 45=2(pi)*r | | x%2-4x-5=0 | | x%2-4x-5=0 | | -0.7w-0.6=6.4w+6.5 | | -3.4x+1.9y=1.1x-0.7y | | 2q+5=-25 | | (36x^3+18x^2+2x)=0 | | g-7=-14 | | 4p-11-p=6+2p-21 | | 2(10+3x)=4(x-4) | | 12=5x-48 | | 3x-6+5x=18 | | 0.9(y+1)=0.8(y+1.5) | | 5x+7=.50(10x+12) | | (2x^3)+(xy^2)+(5x^2)+(y^2)=z | | 4t-5w-2+6t-3w= | | 9x-3x+2=0 | | -4r+4=4r+28 |

Equations solver categories