42=4(3-a)

Simple and best practice solution for 42=4(3-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=4(3-a) equation: 



42=4(3-a)

We move all terms to the left:

42-(4(3-a))=0

We add all the numbers together, and all the variables

-(4(-1a+3))+42=0



We calculate terms in parentheses: -(4(-1a+3)), so:

4(-1a+3)

We multiply parentheses

-4a+12

Back to the equation:

-(-4a+12)



We get rid of parentheses

4a-12+42=0

We add all the numbers together, and all the variables

4a+30=0

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

4a=-30

a=-30/4

a=-7+1/2

See similar equations:

| 4.2=x/7 | | 10x-11+3x-2+3x+1=90 | | F(x)=1,200x+400 | | 5x^2-17=108 | | 1×(7.7+h)=8.9 | | -36y÷=12y | | 0.15(x+2000)=7800 | | 6(v-3)-8=-5(-4v+4)-2v | | 78-x=61 | | d+37/16=7 | | 7(q-8)=130 | | f+28=523 | | 7+3r=10 | | 6x°=3x° | | 5(j-834)=810 | | x+13=3x-9 | | 5=-5+y/5 | | 323=17(v-968) | | 24x-25=10-53 | | 14x+7=44+(9x+3) | | –8+3j=–5 | | 8x+4+8x-4+8x-12=180 | | t+196/23=22 | | 21=273/t | | X²+13x=-40 | | 3(f+5)=24 | | 3a-4-6a+2=5a+22 | | p+33/6=8 | | 6x+10=(3x+4) | | p-883/9=7 | | 11d-9d-2=5d+28 | | 570=19(g-949) |

Equations solver categories