-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 = 1a
7 + 1a = 12 + -21

Combine like terms: 12 + -21 = -9
7 + 1a = -9

Solving
7 + 1a = -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 + 1a = -9 + -7

Combine like terms: 7 + -7 = 0
0 + 1a = -9 + -7
1a = -9 + -7

Combine like terms: -9 + -7 = -16
1a = -16

Divide each side by '1'.
a = -16

Simplifying
a = -16

See similar equations:

| 1=1.6x+1 | | 6x+5x-2x-5=49 | | .1x=10-.4x | | (2x-7)/(4-x) | | 5+1+5v+2v=-7v+6 | | 5(4z-1)-4(z+9)=2(z+1) | | -[7x-(2x+2)]=-5-[3(3x-4)2x] | | 9x+12=-4x-17 | | 0=x+20 | | -2.71=11.11-8.4 | | -4+2a+7-4a= | | Y=-30x+300 | | 5.5/100=x/48 | | y-c=15 | | -9w^2+3w+50=0 | | 5a+7+6a=12-21 | | 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) |

Equations solver categories