-(2a+13)+(-9a-2)-(7a-3)=

Simple and best practice solution for -(2a+13)+(-9a-2)-(7a-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 -(2a+13)+(-9a-2)-(7a-3)= equation:


Simplifying
-1(2a + 13) + (-9a + -2) + -1(7a + -3) = 0

Reorder the terms:
-1(13 + 2a) + (-9a + -2) + -1(7a + -3) = 0
(13 * -1 + 2a * -1) + (-9a + -2) + -1(7a + -3) = 0
(-13 + -2a) + (-9a + -2) + -1(7a + -3) = 0

Reorder the terms:
-13 + -2a + (-2 + -9a) + -1(7a + -3) = 0

Remove parenthesis around (-2 + -9a)
-13 + -2a + -2 + -9a + -1(7a + -3) = 0

Reorder the terms:
-13 + -2a + -2 + -9a + -1(-3 + 7a) = 0
-13 + -2a + -2 + -9a + (-3 * -1 + 7a * -1) = 0
-13 + -2a + -2 + -9a + (3 + -7a) = 0

Reorder the terms:
-13 + -2 + 3 + -2a + -9a + -7a = 0

Combine like terms: -13 + -2 = -15
-15 + 3 + -2a + -9a + -7a = 0

Combine like terms: -15 + 3 = -12
-12 + -2a + -9a + -7a = 0

Combine like terms: -2a + -9a = -11a
-12 + -11a + -7a = 0

Combine like terms: -11a + -7a = -18a
-12 + -18a = 0

Solving
-12 + -18a = 0

Solving for variable 'a'.

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

Add '12' to each side of the equation.
-12 + 12 + -18a = 0 + 12

Combine like terms: -12 + 12 = 0
0 + -18a = 0 + 12
-18a = 0 + 12

Combine like terms: 0 + 12 = 12
-18a = 12

Divide each side by '-18'.
a = -0.6666666667

Simplifying
a = -0.6666666667

See similar equations:

| 4k-(k-2)=40 | | 10x+8=9+5x | | 6x-2x+-8=x+5 | | rad(x+5)-4=-6 | | 5=3w+7w-2 | | sin^4xcosx/cos^4xsinx | | y^2+y=18 | | -2y+1-5y=-(y-9) | | 4=(2/3)-(9/x) | | 1-6y-4y=1 | | 3x-(7x-8y-2)= | | 8/2=5/k | | -48.1=3.7z | | 3x^2+13xy+14y^2=0 | | 42-(x+5)=9x-3 | | 1/2x=2y-6 | | 6x^2-12x-93=-9 | | 6ab-7/3a^3b^-2 | | 2x^2-20x=-2 | | 4(x+7)=n-44 | | 3(b+4)+b=6(3+b) | | x^2+13x+65=7 | | -27=3/4w | | -10y+18=3(5y-7)-8 | | 2(P)= | | p-7= | | 10a=-130 | | X^4-2x^2-y^2+y^4=0 | | 12x-44=12x-44 | | X/18=15 | | -25=x+18 | | (16x)3/2 |

Equations solver categories