2a-2=-2(a-9)

Simple and best practice solution for 2a-2=-2(a-9) 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 2a-2=-2(a-9) equation:


Simplifying
2a + -2 = -2(a + -9)

Reorder the terms:
-2 + 2a = -2(a + -9)

Reorder the terms:
-2 + 2a = -2(-9 + a)
-2 + 2a = (-9 * -2 + a * -2)
-2 + 2a = (18 + -2a)

Solving
-2 + 2a = 18 + -2a

Solving for variable 'a'.

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

Add '2a' to each side of the equation.
-2 + 2a + 2a = 18 + -2a + 2a

Combine like terms: 2a + 2a = 4a
-2 + 4a = 18 + -2a + 2a

Combine like terms: -2a + 2a = 0
-2 + 4a = 18 + 0
-2 + 4a = 18

Add '2' to each side of the equation.
-2 + 2 + 4a = 18 + 2

Combine like terms: -2 + 2 = 0
0 + 4a = 18 + 2
4a = 18 + 2

Combine like terms: 18 + 2 = 20
4a = 20

Divide each side by '4'.
a = 5

Simplifying
a = 5

See similar equations:

| m^2+5mn-14n^2=0 | | 3ab-6bc= | | 5x/3-4x/5=-52/15 | | [z]+12=11 | | 92.99+0.89=x | | -67=2(1+5X)-7(1-3x) | | 4a-18a-10a-9a=18 | | 7x+2y+40=60 | | 22-71=7x | | (3ln(2*3)-3)-(1ln(2*1)-1)= | | 12c+2=146 | | x=x^2+12x-45 | | abcdefghijklmnopqrstuvwxyz=1 | | (7-3x)5+20x= | | 7x+2y+40=90 | | 10r^2=8r+20 | | -18*3*3*5/24*3 | | -8x-5=2x+15 | | 1/3(x-1)=-5. | | 4s-18a-10a-9a=18 | | 21x+13+14x-7=180 | | y^2-42y+c=0 | | 5n+6=5n+6 | | 7x+2y+40=360 | | 7=-4x-10x^2 | | 6(-3+7r)=-8-5r | | 2.2+0.7x=0.1 | | 7x+2y+40=180 | | -(6x+18)(-30+12x)(-6x+4)-(10x+8)-58=-10 | | -16x+36=-58-18x | | q=m/6(n-5) | | -7(-6m-4)=-4m-18 |

Equations solver categories