-3(a+-7)=-15+-6a

Simple and best practice solution for -3(a+-7)=-15+-6a 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+-7)=-15+-6a equation:


Simplifying
-3(a + -7) = -15 + -6a

Reorder the terms:
-3(-7 + a) = -15 + -6a
(-7 * -3 + a * -3) = -15 + -6a
(21 + -3a) = -15 + -6a

Solving
21 + -3a = -15 + -6a

Solving for variable 'a'.

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

Add '6a' to each side of the equation.
21 + -3a + 6a = -15 + -6a + 6a

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

Combine like terms: -6a + 6a = 0
21 + 3a = -15 + 0
21 + 3a = -15

Add '-21' to each side of the equation.
21 + -21 + 3a = -15 + -21

Combine like terms: 21 + -21 = 0
0 + 3a = -15 + -21
3a = -15 + -21

Combine like terms: -15 + -21 = -36
3a = -36

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

Simplifying
a = -12

See similar equations:

| 10u-9+7u=-18 | | 3-(b+2)=1+6 | | 4(-7-c)=-32 | | 3n=4n+4 | | 9c+-6=7c | | 8(d+7)-57= | | 3k-6-4=-2+2k | | Z(t)=-4t^2-3t-3 | | 4k-5=3k | | -28=-7(3x-4)+21x | | (7t-2)-(-3t+1)=-2(1-5t)-1 | | 7a+1=90 | | -0.5z+1.25=3.5z+0.57 | | 5w=6w+8 | | 3k-12=2k-6 | | 4*4=3*4-7 | | x+3y=z(x) | | 5(b-5)+2b=10 | | -10c-10=10+10c | | 2(4+2x)=32 | | 16=3x+2x-8 | | -4-2m=-16-7m+7m | | 4-6x+4x= | | -h-9=2h | | 6a-2a+9=21 | | 8n-6-2=7n-11 | | b-7=3b-25 | | (2-x)=13(3-x) | | 6f-7=12f | | 6k-2k-15=1+7k-k | | 2(n+2)= | | 5f=4f+8 |

Equations solver categories