-3+7a=12

Simple and best practice solution for -3+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 -3+7a=12 equation: 


Simplifying
-3 + 7a = 12

Solving
-3 + 7a = 12

Solving for variable 'a'.

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

Add '3' to each side of the equation.
-3 + 3 + 7a = 12 + 3

Combine like terms: -3 + 3 = 0
0 + 7a = 12 + 3
7a = 12 + 3

Combine like terms: 12 + 3 = 15
7a = 15

Divide each side by '7'.
a = 2.142857143

Simplifying
a = 2.142857143

See similar equations:

| 4x^2-17x+39=7x+4 | | 40x+30y+20z=100 | | 2x+5y+2z=-22 | | 2w+5z=15 | | 5x+2x=7x | | 6x^4-35x^3+62x^2-35x+6=0 | | tan^5(x)-9tan(x)=0 | | 4y+12=3y+16 | | 0.2x=20 | | 4x-7=3-2(3x-15) | | X+(x-1)+(x-2)=8 | | 9x+10=-116 | | 3x^3-6x^2-16x-32=0 | | 2x^3+5x^2-3x-45=20 | | 5p-18=6p | | 3a^2-5ab-2b^2=0 | | 3x^2+2y^2=20 | | m^4-3m^2+x= | | x+6+x^2=0 | | 2x^3-6x^2-48x+3=0 | | 5y^2-3z^2=8 | | 2y-9x-18=0 | | f(x)=7(3-a)-5 | | 3X-5[X-2]=54 | | e(3x)=4e(x) | | log^2x+4lg(10x)=1 | | -a^2+a+30=0 | | -p^2+3p+40=0 | | =100*10.5(1+10.5)120 | | xp+yq=0 | | xp+yp=0 | | 6(x-2)=3(3x-4) |

Equations solver categories