-a-2=2a+7

Simple and best practice solution for -a-2=2a+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 -a-2=2a+7 equation:


Simplifying
-1a + -2 = 2a + 7

Reorder the terms:
-2 + -1a = 2a + 7

Reorder the terms:
-2 + -1a = 7 + 2a

Solving
-2 + -1a = 7 + 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 + -1a + -2a = 7 + 2a + -2a

Combine like terms: -1a + -2a = -3a
-2 + -3a = 7 + 2a + -2a

Combine like terms: 2a + -2a = 0
-2 + -3a = 7 + 0
-2 + -3a = 7

Add '2' to each side of the equation.
-2 + 2 + -3a = 7 + 2

Combine like terms: -2 + 2 = 0
0 + -3a = 7 + 2
-3a = 7 + 2

Combine like terms: 7 + 2 = 9
-3a = 9

Divide each side by '-3'.
a = -3

Simplifying
a = -3

See similar equations:

| x^2+45=18x | | -2x^2+24=-3x^2+10x | | 5x+4=-26 | | 54=9p | | 11a^2=4a^2+35+28a | | -7+4r=-15 | | -3y+5=11 | | -75+4r=-15 | | 4x+2*7=41 | | 7x^2+27x+42=-8x | | 28-40=5d-17 | | p-2=10-2p | | 2x-3=-27 | | 12x=x^2 | | 7p+8=-10p+3 | | 2x^3+432= | | -3n^2+12n+35=-4n^2 | | 27j-6=14j+17 | | X+5=-23 | | a-5=3a-11 | | 2+3=26+2 | | A-8=11 | | -6p^2-25-7p=-7p-7p^2 | | -3-5r=-3-6r | | 8x^3=1 | | 9y-6=21 | | 2n^2=13n+n^2-42 | | 7x-1=73 | | 3n^2-13n+42=0 | | x^6-81x^2=0 | | 28x^3+49x^4+56x^2= | | c+2c+(c+10)=180 |

Equations solver categories