3a(-b)+4(-a)(b)+7=

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


Simplifying
3a(-1b) + 4(-1a)(b) + 7 = 0

Remove parenthesis around (-1b)
3a * -1b + 4(-1a)(b) + 7 = 0

Reorder the terms for easier multiplication:
3 * -1a * b + 4(-1a)(b) + 7 = 0

Multiply 3 * -1
-3a * b + 4(-1a)(b) + 7 = 0

Multiply a * b
-3ab + 4(-1a)(b) + 7 = 0

Remove parenthesis around (-1a)
-3ab + 4 * -1a(b) + 7 = 0

Multiply 4 * -1
-3ab + -4a * b + 7 = 0

Multiply a * b
-3ab + -4ab + 7 = 0

Reorder the terms:
7 + -3ab + -4ab = 0

Combine like terms: -3ab + -4ab = -7ab
7 + -7ab = 0

Solving
7 + -7ab = 0

Solving for variable 'a'.

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

Add '-7' to each side of the equation.
7 + -7 + -7ab = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -7ab = 0 + -7
-7ab = 0 + -7

Combine like terms: 0 + -7 = -7
-7ab = -7

Divide each side by '-7b'.
a = b-1

Simplifying
a = b-1

See similar equations:

| 15-x-5=3-3-1 | | -7-x=-9 | | 12p+12=12 | | -5x+10=-x-14 | | 15=20log(x/8) | | 5z=2x-12 | | cosx*cos(2x)=0 | | 13d+3=6d+17 | | 2x-12/3=2x/5 | | X^2-5x+p=0 | | 0=8-2t | | X^2-15x+p=0 | | 5(x+4)=3(x-8) | | 2x(x-4)=18 | | 2d+e+4d+6e= | | (4-x)*(2+x)=-34 | | (42/7)x2 | | 4x-3(-12)=14 | | (4-x)*(2+x)=34 | | 5y+8=3y+1 | | 7ab=7c | | 4x-3(-7)=14 | | 3x^2-1=q | | x^3-x+2=qx | | 7+(68-2x)=-27 | | 4g+8d-5-g+3d= | | 8/x=13 | | =6x+2x | | 8=16-8y | | 8(x+7)=-9 | | 3(2c+5)=4(c-3) | | -2x^2+8x+8=0 |

Equations solver categories