-3(a-7)=6

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


Simplifying
-3(a + -7) = 6

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

Solving
21 + -3a = 6

Solving for variable 'a'.

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

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

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

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

Divide each side by '-3'.
a = 5

Simplifying
a = 5

See similar equations:

| (3x-2)+(9x-29)= | | 4k-5k=-1 | | 10c^2-23c-5=0 | | 2x-x+6=18 | | 5rv-sv=2r | | 80.916x+79.918(1+-1x)=79.904 | | 19+(-3)=x+3 | | 19-(x+6)=5x-5 | | 3+2(r+2)=9+r | | 4i-(7-4i)= | | 12z+6z=273 | | -5n+2n=0 | | 4D^2+8D-10=0 | | 3x^2+6x-2.4=0 | | 78.918x+80.916(1+-1x)=79.904 | | 5v-sv=2r | | 200=4(8n-6) | | 4z+2z=13*21 | | 15n+2n=0 | | 6t+6= | | 8(8x-5)-1=343 | | 2x-5=sqrt-4x+10 | | 4x-2(2x-7)=6(2x-8)+5x | | 5/7y-3=7 | | -x=x-16 | | 108.905x+106.905(1+-1x)=107.868 | | -3x-2(-4x+2)=-29 | | -6b+6=3 | | 11=-v+6 | | 3a+8b+1=0 | | x+(0.055x)=390 | | m/4=-27 |

Equations solver categories