7a-12=15-2a

Simple and best practice solution for 7a-12=15-2a 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=15-2a equation:


Simplifying
7a + -12 = 15 + -2a

Reorder the terms:
-12 + 7a = 15 + -2a

Solving
-12 + 7a = 15 + -2a

Solving for variable 'a'.

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

Add '2a' to each side of the equation.
-12 + 7a + 2a = 15 + -2a + 2a

Combine like terms: 7a + 2a = 9a
-12 + 9a = 15 + -2a + 2a

Combine like terms: -2a + 2a = 0
-12 + 9a = 15 + 0
-12 + 9a = 15

Add '12' to each side of the equation.
-12 + 12 + 9a = 15 + 12

Combine like terms: -12 + 12 = 0
0 + 9a = 15 + 12
9a = 15 + 12

Combine like terms: 15 + 12 = 27
9a = 27

Divide each side by '9'.
a = 3

Simplifying
a = 3

See similar equations:

| -2(3y-7)=59 | | y^1/6(y^-1/6) | | 40=4x+4(x-2) | | H=0+10t-16t^2 | | Log(x+7)15=1 | | -13x^2+182x+y-633=0 | | (16x^6-12x^4+x^2)=4x^2 | | 6x+30=16x | | 3(14x-15)=-72x | | 46=2x+2(2x+2) | | -5x^4+13x^2-9=0 | | 6x=11x-25 | | b=4.3+0.5+6.45+-1m | | 40=2x+2(x-4) | | (2x-7)(x+1)= | | 4*4x+24x=-36 | | 5(x+3)=3(x+8) | | 0.07x+0.04y=5 | | 0.07x+y=5 | | 4x+7=-42-8x | | (8x^6y^9)^1/3 | | 4b+2m=17.20 | | 2x-8=2x+6+x | | 17-6x=9-8x | | -F-5(2F-3)= | | (8t-4)/4 | | 105/3=x/11 | | 24x-20x-8=6 | | 4x+8=-16-2x | | (x-16)+(y-9)=10 | | g(x)=10x+3 | | 80/100=x/5 |

Equations solver categories