42=-3(a+1)

Simple and best practice solution for 42=-3(a+1) 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=-3(a+1) equation: 



42=-3(a+1)

We move all terms to the left:

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



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

-3(a+1)

We multiply parentheses

-3a-3

Back to the equation:

-(-3a-3)



We get rid of parentheses

3a+3+42=0

We add all the numbers together, and all the variables

3a+45=0

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

3a=-45

a=-45/3

a=-15

See similar equations:

| 2-(2y+9)=50 | | 5x-15=10x-24 | | -6x-4(3-8x)+14=12(-x-11.5)-4x | | 1.5y-11=-5 | | -(23a-13)+53a=-4. | | (97-25)/(41-23)=k | | 3x−3=4x−6 | | 130=10-8x | | 13/4x=7 | | 3x−3 = 4x−6 | | p/7-11=-14 | | 10g−3=37 | | 10+p/5=23 | | 5b+15=3×2b-1 | | 50=20x-10 | | ∠A=(3x−8)∠B=(4x−17) | | -6x–4(3–8x)+14=12(-x–11.5)–4x | | (12x-1)+(9x-15)=53 | | 4v=-16/3 | | 2(x-7)=2x+15 | | 10+7.1n=7+7.4n | | 16(4–3m)=96(–m/2+1) | | 250x=1,000 | | -(x–3)+(1–2x)+5=-2(3x–1) | | 20+25=-5(6x-9) | | k–13=18 | | 5×(b+3)=3×2b-1 | | -14+38=-4(x+4) | | 6+2y-8=0 | | 0.5(x-12)=0.25(x+16) | | 3f−5=7 | | (-3/x)=6 |

Equations solver categories