7a-(a+7)=

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


Simplifying
7a + -1(a + 7) = 0

Reorder the terms:
7a + -1(7 + a) = 0
7a + (7 * -1 + a * -1) = 0
7a + (-7 + -1a) = 0

Reorder the terms:
-7 + 7a + -1a = 0

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

Solving
-7 + 6a = 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 + 6a = 0 + 7

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

Combine like terms: 0 + 7 = 7
6a = 7

Divide each side by '6'.
a = 1.166666667

Simplifying
a = 1.166666667

See similar equations:

| f(x)=4-3 | | X-7.8=-5.7 | | 3a+(4-2a)= | | 5ln(3x)=10 | | 62.92*.544= | | -3z-11=8-3z | | 68=(2x+2y) | | -3(t-1)+6t=8t-6 | | 7x+4-9x=12-19x+17x-8 | | 3p-q=-12 | | 3x-4-7x=2x-4+2x | | a+(2a+3)= | | 68=2x+2y | | 4(y-6)=-15y | | f(x)=-2-7 | | (2x+1)(x+4)+13=2x-10x | | 4x+90=14x+10 | | 425=-250+15y | | 7x+4-9x= | | 8m-15+2m=23+10m-2 | | (2x+1)(x+4)13=2x-10x | | 2(2-1)+3(3-1)= | | 1-8b=1-5b | | 75+37=x | | -2x-5y=-4 | | 4(y-9)=-20 | | Y^2-11-12=0 | | x^4-8x^3+16x^2+4=0 | | 2(7x+8)-1=14x+15 | | -22+5n=11n+8 | | log(2x+15)-log(x+1)=1 | | -5n+2n=18 |

Equations solver categories