-5a+7-4a=-(a+7)

Simple and best practice solution for -5a+7-4a=-(a+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 -5a+7-4a=-(a+7) equation:


Simplifying
-5a + 7 + -4a = -1(a + 7)

Reorder the terms:
7 + -5a + -4a = -1(a + 7)

Combine like terms: -5a + -4a = -9a
7 + -9a = -1(a + 7)

Reorder the terms:
7 + -9a = -1(7 + a)
7 + -9a = (7 * -1 + a * -1)
7 + -9a = (-7 + -1a)

Solving
7 + -9a = -7 + -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
7 + -9a + a = -7 + -1a + a

Combine like terms: -9a + a = -8a
7 + -8a = -7 + -1a + a

Combine like terms: -1a + a = 0
7 + -8a = -7 + 0
7 + -8a = -7

Add '-7' to each side of the equation.
7 + -7 + -8a = -7 + -7

Combine like terms: 7 + -7 = 0
0 + -8a = -7 + -7
-8a = -7 + -7

Combine like terms: -7 + -7 = -14
-8a = -14

Divide each side by '-8'.
a = 1.75

Simplifying
a = 1.75

See similar equations:

| -3x^2-10x+5=0 | | 6x=-14x | | -105+8x+6x^2+x^3=0 | | 4x^2+8x=38-6y^2 | | 2xy*3-60+x=6xy*10 | | -(-15x)-3= | | xy=3x^2-6+y | | 9x+4x-6x-5=2 | | 108=12X^2 | | 3x+5x-6x-5=5 | | mx+4=3x-n | | 2x+9x-7x-5= | | p-8=24 | | e^5x+6=8e^3x | | 4sin^4x-1=0 | | 7(8x+2y)= | | 16=s+7 | | 10w-7-9w=1+7 | | 5x+7y=64 | | 2(6x+1)+4=12x | | 13(923x-76y)=100z | | 2xy+3x^2-60+y=6xy+x^2+150 | | 6(8X-1)-(6X+2)=(8X-3) | | 10x-1=58+(5x-9) | | W^2-10w*24=0 | | 10x-1=58 | | 5x+6y=-20 | | 33b+22a+44c=2581 | | the*crazy*dog=2500000000000 | | 22a+33b+44c=2581 | | 6c-3=-249 | | y(n+1)-3y(n+1)-4y(n)=0 |

Equations solver categories