-42=7(-x-3)

Simple and best practice solution for -42=7(-x-3) 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 -42=7(-x-3) equation:


Simplifying
-42 = 7(-1x + -3)

Reorder the terms:
-42 = 7(-3 + -1x)
-42 = (-3 * 7 + -1x * 7)
-42 = (-21 + -7x)

Solving
-42 = -21 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
-42 + 7x = -21 + -7x + 7x

Combine like terms: -7x + 7x = 0
-42 + 7x = -21 + 0
-42 + 7x = -21

Add '42' to each side of the equation.
-42 + 42 + 7x = -21 + 42

Combine like terms: -42 + 42 = 0
0 + 7x = -21 + 42
7x = -21 + 42

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

Divide each side by '7'.
x = 3

Simplifying
x = 3

See similar equations:

| f(2)=-1/25(2)+15 | | 6x=20+2x | | 6(7+8x)-7(x-1)=-74 | | n+4n-6=34 | | 3x-24=3x | | -0.1x+0.5y=2.0 | | 3.5(x-2)=12-0.5x | | -3y+.5=0.714285714 | | 2g+3=10 | | 35k^2-22k+3=3 | | 0.02x+0.04y=0.23 | | 15x-5x=400 | | 2n+66=5n | | 4n^2-15n+12=0 | | 45+4x=61 | | (X-24)=136 | | 7(a-1)-13(a-2)=-4(2a+1)-3 | | 1x+1=131 | | 5v+4-9=4v+v-5 | | (6x+5)=31 | | 3n+3=-22 | | 5=3w+20 | | 3(6+x)=72 | | 15p^2+4p-2=-3p | | 7n+12=1n-6 | | X-7+9=2+9 | | 5(3m-9n-7)= | | (35-7)2= | | x=y^2+10y+30 | | 10-y=209 | | 12d^2-3d-6=-2d | | x+x+1=-28 |

Equations solver categories