-7a+3-8a=3(7+2a)-3(6a-6)

Simple and best practice solution for -7a+3-8a=3(7+2a)-3(6a-6) 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 -7a+3-8a=3(7+2a)-3(6a-6) equation:


Simplifying
-7a + 3 + -8a = 3(7 + 2a) + -3(6a + -6)

Reorder the terms:
3 + -7a + -8a = 3(7 + 2a) + -3(6a + -6)

Combine like terms: -7a + -8a = -15a
3 + -15a = 3(7 + 2a) + -3(6a + -6)
3 + -15a = (7 * 3 + 2a * 3) + -3(6a + -6)
3 + -15a = (21 + 6a) + -3(6a + -6)

Reorder the terms:
3 + -15a = 21 + 6a + -3(-6 + 6a)
3 + -15a = 21 + 6a + (-6 * -3 + 6a * -3)
3 + -15a = 21 + 6a + (18 + -18a)

Reorder the terms:
3 + -15a = 21 + 18 + 6a + -18a

Combine like terms: 21 + 18 = 39
3 + -15a = 39 + 6a + -18a

Combine like terms: 6a + -18a = -12a
3 + -15a = 39 + -12a

Solving
3 + -15a = 39 + -12a

Solving for variable 'a'.

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

Add '12a' to each side of the equation.
3 + -15a + 12a = 39 + -12a + 12a

Combine like terms: -15a + 12a = -3a
3 + -3a = 39 + -12a + 12a

Combine like terms: -12a + 12a = 0
3 + -3a = 39 + 0
3 + -3a = 39

Add '-3' to each side of the equation.
3 + -3 + -3a = 39 + -3

Combine like terms: 3 + -3 = 0
0 + -3a = 39 + -3
-3a = 39 + -3

Combine like terms: 39 + -3 = 36
-3a = 36

Divide each side by '-3'.
a = -12

Simplifying
a = -12

See similar equations:

| 6+0.5x=3x-9 | | -4g=-40 | | 2x+7x=15 | | n+50=80 | | 3(2x+1)=4x-5 | | 6b+6b^2+5b^3= | | 6x+2=-7+3x+18 | | 0=x^2-3x+2 | | -5(6-x)+4=10-7(x+2) | | -5+12x=7x-1 | | 7x+2x-118=143 | | 7-5t=-9+2t | | -6x+15=-3(2x-5) | | 10-1x=8x+3 | | -2x-6=2-4x-(x-1) | | -68+9x+5x=128 | | 3x+10=-(x-19) | | -3-2y=35 | | 5(6+5r)-2(r+3)=8r-3+6r | | -7x+7+5x=13 | | [4b+3]=15-2b | | x-132+8x=129 | | 4x-10+6=8 | | x=8(13+x) | | (7+x)+3=(x+7)+3 | | 3x+10=x-19 | | (2x+3)*(x+2)=46 | | -15=3n | | P=R+C | | 5x-x-42=58 | | -7+7+5x=13 | | -59+-4= |

Equations solver categories