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

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


Simplifying
7(-7a + -2) = 9 + a

Reorder the terms:
7(-2 + -7a) = 9 + a
(-2 * 7 + -7a * 7) = 9 + a
(-14 + -49a) = 9 + a

Solving
-14 + -49a = 9 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-14 + -49a + -1a = 9 + a + -1a

Combine like terms: -49a + -1a = -50a
-14 + -50a = 9 + a + -1a

Combine like terms: a + -1a = 0
-14 + -50a = 9 + 0
-14 + -50a = 9

Add '14' to each side of the equation.
-14 + 14 + -50a = 9 + 14

Combine like terms: -14 + 14 = 0
0 + -50a = 9 + 14
-50a = 9 + 14

Combine like terms: 9 + 14 = 23
-50a = 23

Divide each side by '-50'.
a = -0.46

Simplifying
a = -0.46

See similar equations:

| 5x+15(2x-5)=450 | | -7=2.25 | | 0.36(12)+0.06x=0.18(6+x) | | 2.25=-7 | | 15x-3y=45 | | 5(3x)+4(40)-15x=-4(5x+5)+20 | | -0.83=1 | | x^6=9x^4 | | -43=2-3z | | 4x=-0.4 | | 16x-16x=3-3 | | 2x=100-12 | | 5(2x-1)=9x-4 | | 8+5x=-5x-2 | | X^2+19x+47=0 | | 2(3x+12)-6x=-3(4x+3)+9 | | 2(3u+7u)=-4(3-2u) | | 9(r^2+2r)=6r^2 | | 2x+4x+8=22 | | 35+4y-15=15y-10-5y | | X^2+35x+11=0 | | .16x+.6(x-1)=.01(2x-5) | | 2x=100-4 | | e^9-8x=6253 | | 500=45(12)+35(x-12) | | 5(-6x+9)=0 | | 7z+9-8=16 | | (5x)x=120 | | 84=-2(3x-6)-12 | | -7(r+2)+3r= | | 4=8-2r | | -6x-20=2x+4(1-3x) |

Equations solver categories