-7(a-1)-3a=-7(a-4)

Simple and best practice solution for -7(a-1)-3a=-7(a-4) 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 -7(a-1)-3a=-7(a-4) equation:


Simplifying
-7(a + -1) + -3a = -7(a + -4)

Reorder the terms:
-7(-1 + a) + -3a = -7(a + -4)
(-1 * -7 + a * -7) + -3a = -7(a + -4)
(7 + -7a) + -3a = -7(a + -4)

Combine like terms: -7a + -3a = -10a
7 + -10a = -7(a + -4)

Reorder the terms:
7 + -10a = -7(-4 + a)
7 + -10a = (-4 * -7 + a * -7)
7 + -10a = (28 + -7a)

Solving
7 + -10a = 28 + -7a

Solving for variable 'a'.

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

Add '7a' to each side of the equation.
7 + -10a + 7a = 28 + -7a + 7a

Combine like terms: -10a + 7a = -3a
7 + -3a = 28 + -7a + 7a

Combine like terms: -7a + 7a = 0
7 + -3a = 28 + 0
7 + -3a = 28

Add '-7' to each side of the equation.
7 + -7 + -3a = 28 + -7

Combine like terms: 7 + -7 = 0
0 + -3a = 28 + -7
-3a = 28 + -7

Combine like terms: 28 + -7 = 21
-3a = 21

Divide each side by '-3'.
a = -7

Simplifying
a = -7

See similar equations:

| 21/6x=4/6 | | 1x-6=1x+6 | | 11x-1+4x+16=180 | | 3X-5-(2X)=90 | | 3x+8=14-6x | | 3/1*1/3= | | 5-n=3(n+2) | | 15y+x=10 | | 2LM-3N=5LN | | -3=k+5/-12 | | 10p+9-11-p-9=-2(2p+4)-3(2p-2) | | -3b+5=6b-13 | | 10+10k+3+14k= | | 10+5x=3x+26 | | 3*1/3= | | 3x(1/3)= | | 3x-6-x= | | 3(1/3)= | | c=9/4(k-39) | | 7h+4-5h-h= | | 11x-132=18-14x | | 9/10(-2/3) | | 4g-2g-3= | | x+1/2=10/5 | | 9+5+f+4f= | | (2w+7)(6-w)=0 | | 4x+3=2x-21 | | s=2*3.14rh+2*3.14r | | (6-v)(1+v)v=0 | | 6d-d-2d= | | -4(5t-4)+8t=7t-2 | | X2/3=-4 |

Equations solver categories