3(a+2)-7=13-(a-2)

Simple and best practice solution for 3(a+2)-7=13-(a-2) 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 3(a+2)-7=13-(a-2) equation:


Simplifying
3(a + 2) + -7 = 13 + -1(a + -2)

Reorder the terms:
3(2 + a) + -7 = 13 + -1(a + -2)
(2 * 3 + a * 3) + -7 = 13 + -1(a + -2)
(6 + 3a) + -7 = 13 + -1(a + -2)

Reorder the terms:
6 + -7 + 3a = 13 + -1(a + -2)

Combine like terms: 6 + -7 = -1
-1 + 3a = 13 + -1(a + -2)

Reorder the terms:
-1 + 3a = 13 + -1(-2 + a)
-1 + 3a = 13 + (-2 * -1 + a * -1)
-1 + 3a = 13 + (2 + -1a)

Combine like terms: 13 + 2 = 15
-1 + 3a = 15 + -1a

Solving
-1 + 3a = 15 + -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.
-1 + 3a + a = 15 + -1a + a

Combine like terms: 3a + a = 4a
-1 + 4a = 15 + -1a + a

Combine like terms: -1a + a = 0
-1 + 4a = 15 + 0
-1 + 4a = 15

Add '1' to each side of the equation.
-1 + 1 + 4a = 15 + 1

Combine like terms: -1 + 1 = 0
0 + 4a = 15 + 1
4a = 15 + 1

Combine like terms: 15 + 1 = 16
4a = 16

Divide each side by '4'.
a = 4

Simplifying
a = 4

See similar equations:

| 8x+6y=0 | | 2(10x+12)=4 | | 23x-45+-38x=-15 | | 5(x-2)+12=3 | | 5m-2(m+2)=2m+15 | | 9s-23=-9+7s | | x^2*x^4*x^3= | | 7x-68+3x+78=180 | | 8m-18=-10+7m | | x^4-4x^3+5x^2-4x+4=0 | | 15+2(13+y)+10=89 | | .6k-0.10k=0.5k+1 | | 5.2+3(x-2.4)=-4.9 | | z+5-4z=18 | | 15+2(13+y)10=89 | | 7+5n= | | 15b^2+23b-28=0 | | 4x-3=120 | | 20x^2-42x-20=0 | | 3(3+6x)-2=97 | | n^2-45=0 | | Z^2=-15-8i | | ln(x)+ln(4+x)=2 | | x=7.9 | | 6a^2-11a-2=0 | | 6(3x-2)=(24) | | 2x+3+13x= | | 256x^4=o | | M/8=3/4 | | 1y-5=(5-1y) | | 1y-5=(5-y) | | d+6=14 |

Equations solver categories