a+(a-2)=(9+3)-(a+1)

Simple and best practice solution for a+(a-2)=(9+3)-(a+1) 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+(a-2)=(9+3)-(a+1) equation:


Simplifying
a + (a + -2) = (9 + 3) + -1(a + 1)

Reorder the terms:
a + (-2 + a) = (9 + 3) + -1(a + 1)

Remove parenthesis around (-2 + a)
a + -2 + a = (9 + 3) + -1(a + 1)

Reorder the terms:
-2 + a + a = (9 + 3) + -1(a + 1)

Combine like terms: a + a = 2a
-2 + 2a = (9 + 3) + -1(a + 1)

Combine like terms: 9 + 3 = 12
-2 + 2a = (12) + -1(a + 1)
-2 + 2a = 12 + -1(a + 1)

Reorder the terms:
-2 + 2a = 12 + -1(1 + a)
-2 + 2a = 12 + (1 * -1 + a * -1)
-2 + 2a = 12 + (-1 + -1a)

Combine like terms: 12 + -1 = 11
-2 + 2a = 11 + -1a

Solving
-2 + 2a = 11 + -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
-2 + 2a + a = 11 + -1a + a

Combine like terms: 2a + a = 3a
-2 + 3a = 11 + -1a + a

Combine like terms: -1a + a = 0
-2 + 3a = 11 + 0
-2 + 3a = 11

Add '2' to each side of the equation.
-2 + 2 + 3a = 11 + 2

Combine like terms: -2 + 2 = 0
0 + 3a = 11 + 2
3a = 11 + 2

Combine like terms: 11 + 2 = 13
3a = 13

Divide each side by '3'.
a = 4.333333333

Simplifying
a = 4.333333333

See similar equations:

| 5x+6x+2+7=7X+5+3x | | 2(x+4)+x=3x+5 | | h=5as+10a*a | | 0.8k+3.9=5.66 | | 20x+15y=970 | | x^2+2x^2=40 | | (-6+22x+8x^2)=0 | | 3(4x-4)+3=12x-9 | | 20x+15y+10z=970 | | 43=8-5x | | 15z+12x= | | z=18x+24 | | 2(4x^2-11x-3)=0 | | 4.1x=31.57 | | 4.5-1.7= | | e(x)=2.718 | | -3(6p+7)= | | exp(x)=0 | | Y=-x^2-2+2 | | 4x+10+3x+12=15x+4 | | (5r-4s+9t)8= | | 0=6*x^2-24 | | 3[5(x-7)]= | | P^2=-7+8p | | exp(x)=7.3 | | 3x-1/2(4x-6)=3x-11 | | 9r-15-17r+9= | | X^2-6xy+y^2=0 | | 8(7m+3n-6)+94= | | 2(3x-1)=(x+2) | | -18=-9 | | 1-2x=x |

Equations solver categories