8-2a+7a=-12

Simple and best practice solution for 8-2a+7a=-12 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 8-2a+7a=-12 equation: 


Simplifying
8 + -2a + 7a = -12

Combine like terms: -2a + 7a = 5a
8 + 5a = -12

Solving
8 + 5a = -12

Solving for variable 'a'.

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

Add '-8' to each side of the equation.
8 + -8 + 5a = -12 + -8

Combine like terms: 8 + -8 = 0
0 + 5a = -12 + -8
5a = -12 + -8

Combine like terms: -12 + -8 = -20
5a = -20

Divide each side by '5'.
a = -4

Simplifying
a = -4

See similar equations:

| Ln(10)=2.3 | | -3x-3y=-12 | | 8n+(3n-10)=12 | | m+54=82 | | 9x-8=27x-9 | | 2y-1/5=2(y/5+4) | | N^2-2=n | | 4x+3x-2+3x+8=-5x-8+12+25x | | x^2-2x+y^2-y=0.5 | | 11x-6=4x-16 | | 2(n/5+1)=0 | | y=2(3)-x | | 10P^4= | | 9x-(3x+24)=18 | | 4j=5k | | (3x-3)*x=2x*(x+6) | | 4(3t-3)-1=59 | | 10x-7+5-2=4x+8-13x+7 | | 3(2m+1)-7=2m | | (-5-10i)(-5-10i)=-75+100i | | 32X-12.3X=-27 | | -2y=7y+10-10y | | 0.5x+4=8 | | 2z+7z+9.75=-5.15 | | x^2+y^2+6x=18y+14 | | -7x+11=-31 | | -2x+4=-18 | | (3x-10)=(5x-10) | | 3x(2x-7)=4x-7 | | 4(3t+2)=3(t+5) | | K^4-2k^2=24 | | 5X+1-7.5X=-2 |

Equations solver categories