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

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


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

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

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

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

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

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

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

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

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

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

Reorder the terms:
7 + -3ab + -4ab + 1ab = 0

Combine like terms: -3ab + -4ab = -7ab
7 + -7ab + 1ab = 0

Combine like terms: -7ab + 1ab = -6ab
7 + -6ab = 0

Solving
7 + -6ab = 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 + -6ab = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -6ab = 0 + -7
-6ab = 0 + -7

Combine like terms: 0 + -7 = -7
-6ab = -7

Divide each side by '-6b'.
a = 1.166666667b-1

Simplifying
a = 1.166666667b-1

See similar equations:

| 3x-7=7x-2 | | 0.3x=20-2 | | (x-4)=3 | | 3(a+b)+8(a+b)= | | 10x-2(x-8)=14 | | log(2)+log(3x-4)=log(2x+4) | | 4v=64 | | 4c-d+6c+2d= | | 3056890000.00-15000000.00=2085000000.00+5550000.00x | | 3056890000.00-15000000.00=2085000000.00+5550000.00 | | x(2)+x+1=0 | | x+3/8=4/7 | | 2085000000+5550000x=25000000000 | | 6y+12=84 | | 5x-20=4x+5 | | 3x+4x+8= | | 6(w-1)=3w+5 | | -2(-3)-2y=2 | | -9w-4=5w^2 | | -2/3x=x-4 | | 8q+12=4*3+2q | | k+-3=-13 | | 7.5+y=13 | | 3a^2-13a+12=-2 | | 6+3+y=56 | | z=3z+4(z+6) | | 7208-200x=0 | | Y=-7+11 | | 12x+7x+x=100 | | 0=-2x+14 | | 6x+5y=95 | | 0=7+37x-16x^2 |

Equations solver categories