6-2(a+1)=7+a

Simple and best practice solution for 6-2(a+1)=7+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 6-2(a+1)=7+a equation:


Simplifying
6 + -2(a + 1) = 7 + a

Reorder the terms:
6 + -2(1 + a) = 7 + a
6 + (1 * -2 + a * -2) = 7 + a
6 + (-2 + -2a) = 7 + a

Combine like terms: 6 + -2 = 4
4 + -2a = 7 + a

Solving
4 + -2a = 7 + 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.
4 + -2a + -1a = 7 + a + -1a

Combine like terms: -2a + -1a = -3a
4 + -3a = 7 + a + -1a

Combine like terms: a + -1a = 0
4 + -3a = 7 + 0
4 + -3a = 7

Add '-4' to each side of the equation.
4 + -4 + -3a = 7 + -4

Combine like terms: 4 + -4 = 0
0 + -3a = 7 + -4
-3a = 7 + -4

Combine like terms: 7 + -4 = 3
-3a = 3

Divide each side by '-3'.
a = -1

Simplifying
a = -1

See similar equations:

| 4(xy-1)-(x-3)= | | -2p+8=6-(10p+7) | | 4(3x-15)=12(x-5) | | 3x^3-21x^2+30x=0 | | 12(4x-4)=4(12x+3) | | 2x^2+9x-26=0 | | 4x^2+8x-192= | | 3x+3=-(x-19) | | I=111x-221605 | | 3+2n-2=9n+13-5n | | 14x^2-9x+1=0 | | 7+18m-6=8m+29+4m | | 6x-15=3x | | 3r^2-9r+0= | | x^20-144=0 | | 3x-7+2x-15= | | 6xX=10 | | 0.8w-0.7w+0.4w=5 | | lnx+ln(x+8)=0 | | 14p-17p=6 | | 11m=8 | | 4+3y+y-12=5y+9-y-17 | | 6(2z-1)-3(z+3)=2(z+1) | | .5(2.5)= | | 2x^3-4x^2-50x+100= | | 3a-18=2a+27 | | (9r^3+5r^2+11r)+(-2r^3+9r-8r^2)= | | 3x^2-13x=56 | | 9x^2-6x+9=0 | | 0.1x+8= | | 3m^2-16m+13=0 | | 4b^2+28bg+49g^2= |

Equations solver categories