7a-12=8a+a

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


Simplifying
7a + -12 = 8a + a

Reorder the terms:
-12 + 7a = 8a + a

Combine like terms: 8a + a = 9a
-12 + 7a = 9a

Solving
-12 + 7a = 9a

Solving for variable 'a'.

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

Add '-9a' to each side of the equation.
-12 + 7a + -9a = 9a + -9a

Combine like terms: 7a + -9a = -2a
-12 + -2a = 9a + -9a

Combine like terms: 9a + -9a = 0
-12 + -2a = 0

Add '12' to each side of the equation.
-12 + 12 + -2a = 0 + 12

Combine like terms: -12 + 12 = 0
0 + -2a = 0 + 12
-2a = 0 + 12

Combine like terms: 0 + 12 = 12
-2a = 12

Divide each side by '-2'.
a = -6

Simplifying
a = -6

See similar equations:

| 6/11-2/3 | | 2(2n-2)=(8n+7)+9 | | y-6=-2x | | (9x^2)-49x+196=0 | | x-24=48 | | 2(5x+8)-4(x+5)= | | 6(3x-7)+4=18x-38 | | -7(X+1)-x-10=8(x+4)+15 | | x^2+y^2+6x+10y=-25 | | 6y-5y=200 | | X-.3=.8 | | -7(x+1)-x-10=8(x+4)15 | | 0.15t-4.6=0.07t-0.6 | | 0.16(y-2)+0.08y=0.14y-0.01(10) | | -4m+27-6(m-1)=6m-(9m-5)-2m+8 | | .4x=.9-.1 | | 1/8x+10/3=6/5-7/8x+6/5 | | -(6y+1)-(-5y-2)=-3 | | X=(4/5)x-9 | | -94= | | X=4/5x-9 | | 9/2-x-10/x-5=0 | | 0.1(x+30)-0.08(x-40)=5 | | 4(x-3)=3(8+x) | | 9x-(8x+6)=5x-30 | | 5x=-3+8x | | 6p+12+3=4p+5-3p | | (5/y)+(4/y)=3 | | -7(x-7)=-8x | | 12=9-3y | | 6=9-3y | | 4/5x-6=-1/5x+5 |

Equations solver categories