a+7a-2a+9=a+5

Simple and best practice solution for a+7a-2a+9=a+5 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 a+7a-2a+9=a+5 equation:


Simplifying
a + 7a + -2a + 9 = a + 5

Reorder the terms:
9 + a + 7a + -2a = a + 5

Combine like terms: a + 7a = 8a
9 + 8a + -2a = a + 5

Combine like terms: 8a + -2a = 6a
9 + 6a = a + 5

Reorder the terms:
9 + 6a = 5 + a

Solving
9 + 6a = 5 + 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.
9 + 6a + -1a = 5 + a + -1a

Combine like terms: 6a + -1a = 5a
9 + 5a = 5 + a + -1a

Combine like terms: a + -1a = 0
9 + 5a = 5 + 0
9 + 5a = 5

Add '-9' to each side of the equation.
9 + -9 + 5a = 5 + -9

Combine like terms: 9 + -9 = 0
0 + 5a = 5 + -9
5a = 5 + -9

Combine like terms: 5 + -9 = -4
5a = -4

Divide each side by '5'.
a = -0.8

Simplifying
a = -0.8

See similar equations:

| 4v-6=-4 | | 3(x+2)=2(x+9) | | x^2+y^2+6y=16 | | 8b^5x/x^3 | | 22-40=2500 | | 10+10*Q=15+20*Q | | -4(-8z-8)= | | 22+40x=2500 | | 7.0/10 | | 70/10= | | 0.7/10= | | 12.25-3(12.25-7)=4(12.25-7)-2(12.25) | | 2159463=(12x)11 | | 15+20*Q=30*Q | | 2159463=(11x)12 | | 0.74= | | g^3+5g^5= | | A=1500(1+0.063)*28 | | 10+10*Q=30*Q | | 125=3x*4 | | 48+23.5*Q=25*Q | | 9.6+24*Q=25*Q | | 4/x=9/7 | | A=3000(1+0.067)*35 | | 5x+3y^2-y=4 | | 4(n+2)=2(n-3) | | 11x^2+12=-2x | | -1/20p=5/2 | | x+40=x+40 | | 5p^2+8p-21=0 | | 2v+2v-16=-64 | | 2m^2-16m+8=0 |

Equations solver categories