42=40+2.a

Simple and best practice solution for 42=40+2.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 42=40+2.a equation: 



42=40+2.a

We move all terms to the left:

42-(40+2.a)=0

We add all the numbers together, and all the variables

-(2.a+40)+42=0

We get rid of parentheses

-2.a-40+42=0

We add all the numbers together, and all the variables

-2a+2=0

We move all terms containing a to the left, all other terms to the right

-2a=-2

a=-2/-2

a=1

See similar equations:

| 35=25+q/10 | | 30+30/w=35 | | ½(x+7)=2x-¼ | | 6x-18=3x+16 | | 3+3k=99 | | 99=9y-99 | | 15x+6=14x+ | | 2=12q-22 | | 6u+17=65 | | 6=5p-59 | | x+-7.9=41 | | 15+7f=71 | | 100=x+.5x | | 12g+32=92 | | 2x-(x+1)=2-3(x-3) | | 10p-40=90 | | n/8+56=59 | | 8xx100/x^2=0 | | 9f+82=13f+42 | | 70q-94=76q-100 | | 58g+96=100g-72 | | 9y+100=14y+15 | | 38z+32=55z-70 | | 2d+25=19d-9 | | 17-4v=15 | | 6n+8=5n+36 | | 24q+94=45q-74 | | 36s-83=26s-33 | | 7/12x=-10 | | 8a+67=14a-59 | | 7^(4x-8)=10 | | 10/m=2/10 |

Equations solver categories