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

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


Simplifying
9(a + 5) + -7(a + -3) = 0

Reorder the terms:
9(5 + a) + -7(a + -3) = 0
(5 * 9 + a * 9) + -7(a + -3) = 0
(45 + 9a) + -7(a + -3) = 0

Reorder the terms:
45 + 9a + -7(-3 + a) = 0
45 + 9a + (-3 * -7 + a * -7) = 0
45 + 9a + (21 + -7a) = 0

Reorder the terms:
45 + 21 + 9a + -7a = 0

Combine like terms: 45 + 21 = 66
66 + 9a + -7a = 0

Combine like terms: 9a + -7a = 2a
66 + 2a = 0

Solving
66 + 2a = 0

Solving for variable 'a'.

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

Add '-66' to each side of the equation.
66 + -66 + 2a = 0 + -66

Combine like terms: 66 + -66 = 0
0 + 2a = 0 + -66
2a = 0 + -66

Combine like terms: 0 + -66 = -66
2a = -66

Divide each side by '2'.
a = -33

Simplifying
a = -33

See similar equations:

| 8n+6=7n-3 | | 11=17-x | | 6-2(y-4)+4y= | | -5-8s=-7s | | 5x-7(x-1)=-3+8 | | 8y-72=-96 | | 4(x-1)=2(5x-8) | | 12x-36=-72 | | (3x-48)=(x+50) | | H(t)=-16t^2+30+8 | | x=19+-0.5y | | 6x^2+2x+10x^3= | | 9k-2(3-4K)= | | -9p-9=-10p-10 | | 3(d+8)=57 | | Y=x^2-6x-20 | | 6-(-5s)=5s-4 | | -35+7x=-6-36x | | -2+6k=7k+8 | | -4/5(9x-20)-3x=4/5x- | | 9y-27=-18 | | -4-2q=-4q+6 | | 7y+9=44 | | X^213x-7=0 | | 7x-5x-12=-8 | | 5(x+7)-3(x+4)= | | -(6x-5)-(5x-6)+8=-12(x-1)-(2x+11)+3 | | 4x-2x+20=44 | | 10a-4-5(a+4)= | | 4(2x-8)=8x-32 | | 7y-6=4y+12 | | 10Q=9Q-6 |

Equations solver categories