-(7-8a)-(12+7a)-3=-(9-5a)+(-a)+8

Simple and best practice solution for -(7-8a)-(12+7a)-3=-(9-5a)+(-a)+8 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 -(7-8a)-(12+7a)-3=-(9-5a)+(-a)+8 equation:


Simplifying
-1(7 + -8a) + -1(12 + 7a) + -3 = -1(9 + -5a) + (-1a) + 8
(7 * -1 + -8a * -1) + -1(12 + 7a) + -3 = -1(9 + -5a) + (-1a) + 8
(-7 + 8a) + -1(12 + 7a) + -3 = -1(9 + -5a) + (-1a) + 8
-7 + 8a + (12 * -1 + 7a * -1) + -3 = -1(9 + -5a) + (-1a) + 8
-7 + 8a + (-12 + -7a) + -3 = -1(9 + -5a) + (-1a) + 8

Reorder the terms:
-7 + -12 + -3 + 8a + -7a = -1(9 + -5a) + (-1a) + 8

Combine like terms: -7 + -12 = -19
-19 + -3 + 8a + -7a = -1(9 + -5a) + (-1a) + 8

Combine like terms: -19 + -3 = -22
-22 + 8a + -7a = -1(9 + -5a) + (-1a) + 8

Combine like terms: 8a + -7a = 1a
-22 + 1a = -1(9 + -5a) + (-1a) + 8
-22 + 1a = (9 * -1 + -5a * -1) + (-1a) + 8
-22 + 1a = (-9 + 5a) + (-1a) + 8

Reorder the terms:
-22 + 1a = -9 + 8 + 5a + (-1a)

Combine like terms: -9 + 8 = -1
-22 + 1a = -1 + 5a + (-1a)

Combine like terms: 5a + (-1a) = 4a
-22 + 1a = -1 + 4a

Solving
-22 + 1a = -1 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
-22 + 1a + -4a = -1 + 4a + -4a

Combine like terms: 1a + -4a = -3a
-22 + -3a = -1 + 4a + -4a

Combine like terms: 4a + -4a = 0
-22 + -3a = -1 + 0
-22 + -3a = -1

Add '22' to each side of the equation.
-22 + 22 + -3a = -1 + 22

Combine like terms: -22 + 22 = 0
0 + -3a = -1 + 22
-3a = -1 + 22

Combine like terms: -1 + 22 = 21
-3a = 21

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

Simplifying
a = -7

See similar equations:

| 13y-2=68-y | | 6(x+9)=6(x-3) | | 10x+2-(-5x)-7+x= | | 6(2c+4)=-3-21 | | 3(n-6)-(7-4n)=6n | | 60+5x^2=-35x | | -(2x-4y)+10=-2(x-6y) | | 20p+p+8p+7-4p-10= | | 8x^2+56x=-96 | | 4x+3=4x-6 | | m+15=91 | | 2x^2+5x-22=0 | | 19(x+4)=4(5x-3) | | 11x-6=4x-55 | | 7(x+4)-(2x-5)=9 | | -(8-5a)-(14+4a)-7=-(6-6a)+(-a)+5 | | 3y+1-y=6+y+10 | | 4(8y-2)-(4y+3)= | | u^2-9u-4=0 | | 9(x+5)-(4x-1)=3 | | 7x-2=9x-10 | | z-2.7=-5.8 | | -3+32-7x=-2(5x+10) | | 3x+[-5x-(x+6)]=8x+(3x-4) | | -[7z-(17z+6)]=6+(9z+8) | | 8x+1=13x-19 | | 0.6x-0.2(4)=1.6 | | X+-1.8=.4x | | y=7x^2-35x-168 | | -9+m=12 | | 6x^2+78x+26=0 | | 9+2(5u+3)=13u |

Equations solver categories