5a+7+6a=12-21

Simple and best practice solution for 5a+7+6a=12-21 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 5a+7+6a=12-21 equation:


Simplifying
5a + 7 + 6a = 12 + -21

Reorder the terms:
7 + 5a + 6a = 12 + -21

Combine like terms: 5a + 6a = 11a
7 + 11a = 12 + -21

Combine like terms: 12 + -21 = -9
7 + 11a = -9

Solving
7 + 11a = -9

Solving for variable 'a'.

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

Add '-7' to each side of the equation.
7 + -7 + 11a = -9 + -7

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

Combine like terms: -9 + -7 = -16
11a = -16

Divide each side by '11'.
a = -1.454545455

Simplifying
a = -1.454545455

See similar equations:

| 2x/(x^2-25) | | (3x-15)-(7x+1)= | | 2.8x+45.3=6.6-10.1x | | y^2/3-9y^1/3=-20 | | -5-(2+5y-3(y+2))=-9(2y-5)-(2(y-1)-3y+3) | | 2(.5x-3)=4 | | 6[3-(4+4x)]-2x=-8+2(1-13x) | | 2(1/2x-3)=4 | | 7x-4x+6=21 | | 2x+11+143=180 | | -3x+3y=7.5 | | 5(4n-4)=john | | 2x+1+143=180 | | J/8=42 | | (-3+11x)+(-3+11x)= | | 6(x-1)+43=x-3(x+1) | | sqrt(2(sqrt(14x+8)))=sqrt(3x+4) | | 22=12+3x | | (2/3)y=(9/2) | | 1x-4=-9+1x | | 7x-4x+6=14 | | 4x-5=13+6x | | -4p+11=25 | | (4x-3)+7x= | | f(x)=6(7)+17 | | 3x+5=6x-3 | | (-3x-10)/5 | | -2x-5=16-5x | | 1/3y-y | | 4.5/1000 | | -3x-10/5 | | -3x-4.6=5.4 |

Equations solver categories