3(x-1)=-9(x+7)

Simple and best practice solution for 3(x-1)=-9(x+7) 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-1)=-9(x+7) equation:


Simplifying
3(x + -1) = -9(x + 7)

Reorder the terms:
3(-1 + x) = -9(x + 7)
(-1 * 3 + x * 3) = -9(x + 7)
(-3 + 3x) = -9(x + 7)

Reorder the terms:
-3 + 3x = -9(7 + x)
-3 + 3x = (7 * -9 + x * -9)
-3 + 3x = (-63 + -9x)

Solving
-3 + 3x = -63 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
-3 + 3x + 9x = -63 + -9x + 9x

Combine like terms: 3x + 9x = 12x
-3 + 12x = -63 + -9x + 9x

Combine like terms: -9x + 9x = 0
-3 + 12x = -63 + 0
-3 + 12x = -63

Add '3' to each side of the equation.
-3 + 3 + 12x = -63 + 3

Combine like terms: -3 + 3 = 0
0 + 12x = -63 + 3
12x = -63 + 3

Combine like terms: -63 + 3 = -60
12x = -60

Divide each side by '12'.
x = -5

Simplifying
x = -5

See similar equations:

| 9u=-26 | | 3x+5-9=x-19 | | -5=12y | | 4684161=16164x | | 2/x-2=4+(x/x-2) | | 6x-7=20+3x | | -6x+7=3x-11 | | 21.8a=124.26 | | 1/2p-(1/4p+4) | | -3+2x=-7 | | 1.25w=5 | | 2(2x-2)+4=20 | | -40=-y/5 | | 2x+2=5(x-5) | | 9x+6=38(3) | | 3(z-1)=-12 | | 10-10x=74-38x | | 4+6a=12-4a | | 3.4c=20.74 | | 5(a-5)=3a-1 | | x+8/7=6/7x | | -53-7=10x+15 | | m/6.3=9.1 | | 5(2n-4)=(5n+4)+3 | | 2+67=x-3 | | -y/2=-38 | | 2(y+5)=3y+y-16 | | 0=5[x-(5-x)]-9(x+1) | | n/0.14=15 | | 6x^3+20x^2-16x= | | 3x(x-3)=3(x-1)(x-2)-6 | | 12x^4=7 |

Equations solver categories