-3(x+7)=42

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


Simplifying
-3(x + 7) = 42

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

Solving
-21 + -3x = 42

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 + -3x = 42 + 21

Combine like terms: -21 + 21 = 0
0 + -3x = 42 + 21
-3x = 42 + 21

Combine like terms: 42 + 21 = 63
-3x = 63

Divide each side by '-3'.
x = -21

Simplifying
x = -21

See similar equations:

| 8=2(p-(-3)) | | 22+x=90 | | log(2)64x=12 | | 6(y-5)+2y=16y-1(70) | | (6y+5)=35 | | f(x)=2t^2-16t-12 | | 4(4.5x+12)=3x+8 | | 3xy-15y=x+5 | | 3+2y-2+3y=11 | | 9x-19y= | | -18=-3x-4-4x-14 | | -1*5=3(n+8) | | 3+12q-1=8q+4q-1 | | X^2+8x+8=5 | | a^5-8=1 | | 8x^2-36x+14=2x+4 | | 35=6(r-2) | | 8x^2-36x+14=2c+4 | | 5x+3-6x=25 | | 0=2/3x-4 | | 8(z+3)+4z=-7 | | (4c+16)=2c+9 | | 12*4=4(s+6) | | X^3+6x^2-2x-28=x^2+2x-8 | | 4c=9+8 | | 21=r^3+3 | | 8+7(n-4)= | | (1/4w^5z^3)^2 | | 9+(-8)=6(v-8) | | 4x+8=6x-13 | | 54d-34d=2233 | | 3s-6s=-33 |

Equations solver categories