7-5(a+2)=9+a

Simple and best practice solution for 7-5(a+2)=9+a 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 7-5(a+2)=9+a equation:


Simplifying
7 + -5(a + 2) = 9 + a

Reorder the terms:
7 + -5(2 + a) = 9 + a
7 + (2 * -5 + a * -5) = 9 + a
7 + (-10 + -5a) = 9 + a

Combine like terms: 7 + -10 = -3
-3 + -5a = 9 + a

Solving
-3 + -5a = 9 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-3 + -5a + -1a = 9 + a + -1a

Combine like terms: -5a + -1a = -6a
-3 + -6a = 9 + a + -1a

Combine like terms: a + -1a = 0
-3 + -6a = 9 + 0
-3 + -6a = 9

Add '3' to each side of the equation.
-3 + 3 + -6a = 9 + 3

Combine like terms: -3 + 3 = 0
0 + -6a = 9 + 3
-6a = 9 + 3

Combine like terms: 9 + 3 = 12
-6a = 12

Divide each side by '-6'.
a = -2

Simplifying
a = -2

See similar equations:

| X=3+6 | | -0.6(2.1-6x)=4.5x | | -4=-5d | | -0.6(2.1-6x)=4.5 | | -2x-8=4x+3 | | 6x^2+19=0 | | 8x-(x-3)= | | -2p-3p=-15 | | 5u+-12=-48 | | 0=-4a+4a | | [3n+2]+4=0 | | -4=8(x+3)+7x | | 35x+58+12x=130 | | 2g+3(-6+5g)=1-g | | v-13=-14 | | 6x+3x+9=90 | | 4(x-2)-6x=5(2x+4) | | 29x-5=5+17x | | m^3-9m^2-10m=0 | | 3(2x+12)=-2(x-4) | | 3x-2+2x+2=90 | | 11=b+12 | | 3d+4=2+3d-1.5 | | 7x-5.8=13.3 | | -7+4b=1+5b | | 28+28m=42+21m | | (2+c)+3c=20 | | 5.0=-11.2-2z | | 8y+8=12y+8 | | -5(k-7)-k+7= | | 4-2p-6p=6p-4 | | (3x)+(y+7)+(90)=180 |

Equations solver categories