-7(k+9)=9(k-5)

Simple and best practice solution for -7(k+9)=9(k-5) 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(k+9)=9(k-5) equation:


Simplifying
-7(k + 9) = 9(k + -5)

Reorder the terms:
-7(9 + k) = 9(k + -5)
(9 * -7 + k * -7) = 9(k + -5)
(-63 + -7k) = 9(k + -5)

Reorder the terms:
-63 + -7k = 9(-5 + k)
-63 + -7k = (-5 * 9 + k * 9)
-63 + -7k = (-45 + 9k)

Solving
-63 + -7k = -45 + 9k

Solving for variable 'k'.

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

Add '-9k' to each side of the equation.
-63 + -7k + -9k = -45 + 9k + -9k

Combine like terms: -7k + -9k = -16k
-63 + -16k = -45 + 9k + -9k

Combine like terms: 9k + -9k = 0
-63 + -16k = -45 + 0
-63 + -16k = -45

Add '63' to each side of the equation.
-63 + 63 + -16k = -45 + 63

Combine like terms: -63 + 63 = 0
0 + -16k = -45 + 63
-16k = -45 + 63

Combine like terms: -45 + 63 = 18
-16k = 18

Divide each side by '-16'.
k = -1.125

Simplifying
k = -1.125

See similar equations:

| 72=12x-0 | | -10-x=36 | | 4X+1=6X-5 | | 6x^2+6x+3=0 | | 7.6x=30.4 | | -2(4b+2)+(9b-3)=0 | | -6x+21=12x-15 | | 2x/6+x+2=21 | | 4n-8=n+1 | | (4x-3)/5-(4x)/3=(2(x-13))/15 | | -n-3n=20 | | -2x^3(x+1)=0 | | 0=-4.9t^2+14.7t+12 | | 2(x-6)+7(x-3)= | | (6x-3)-(2x)=0 | | -2x^3(x+1)= | | 2.1q-5.2-3.3q=-2.2q-2.9 | | y=-4.9t^2+14.7t+12 | | 3(x+2)=x+x+x+3+3 | | -(-2x)=(-30) | | 18x^3+9x^2+4x+5=0 | | 2y^2-12y+16=0 | | 5/6x-1/5x+14=7/10x | | 12-(-19)+(-6)= | | 5x-5(x-5)= | | 4x^4-6x^3+2x^2+3x=0 | | V^2+v-56=0 | | 7.65=2*3.14*r | | w^2+2w+62=0 | | 5x-4y=1.5forY | | 2x^2+6x-17=0 | | P/5-12=20 |

Equations solver categories