a-3+8=12

Simple and best practice solution for a-3+8=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 a-3+8=12 equation: 


Simplifying
a + -3 + 8 = 12

Reorder the terms:
-3 + 8 + a = 12

Combine like terms: -3 + 8 = 5
5 + a = 12

Solving
5 + a = 12

Solving for variable 'a'.

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

Add '-5' to each side of the equation.
5 + -5 + a = 12 + -5

Combine like terms: 5 + -5 = 0
0 + a = 12 + -5
a = 12 + -5

Combine like terms: 12 + -5 = 7
a = 7

Simplifying
a = 7

See similar equations:

| 7x-4=-16+3x | | 3(2x-9)+2(3x+4.5)=0 | | x+3x-5=195 | | 5h-18=8h | | 2z+1+6z-9= | | 9b(11b+5)= | | 1.15+5.34-3.3z=-4.5z-10.19 | | y+y^2=2 | | 93-5= | | 6.01+15.8q=-0.54+1.4+15.3q | | -1+5w+15w=19w+18 | | 3(2x+1)=x+13 | | (1.3)6x=10000000 | | -1+5w+15=19w+18 | | y^2+3+y=5 | | 3x^3-5x^2+2x-8=0 | | -15-20u=19-16u-6u | | -18-12+16h=11h+20 | | 5c(c+6)= | | 0.7*x=1267 | | 4f+19=6f-f+8 | | x+5=3x+9 | | 8x+1=5-x | | x=-4-3.5 | | 19+11k=-17+4+7k | | 0.101x=27 | | 10-7x=3x+2 | | 154=2x+4y | | 4676*0.75p= | | 21-4x=6 | | 3y+(2-2x)+5y= | | 11y-(4y-4)+9= |

Equations solver categories