2a+7a+3=30

Simple and best practice solution for 2a+7a+3=30 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 2a+7a+3=30 equation: 


Simplifying
2a + 7a + 3 = 30

Reorder the terms:
3 + 2a + 7a = 30

Combine like terms: 2a + 7a = 9a
3 + 9a = 30

Solving
3 + 9a = 30

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 + 9a = 30 + -3

Combine like terms: 3 + -3 = 0
0 + 9a = 30 + -3
9a = 30 + -3

Combine like terms: 30 + -3 = 27
9a = 27

Divide each side by '9'.
a = 3

Simplifying
a = 3

See similar equations:

| x^4+y^4=2 | | 10m-26=64 | | X+X-6=12 | | y-57x+64=0 | | 555=5555 | | x+(2-x)(2-x)=81 | | 9h+9=99 | | 4u+-2=5u-1 | | 4(f-1)=8 | | 10(s-3)=-56 | | -(c-9)=0 | | 5p^2+3q-p^2+2q= | | 4(t+3)=-8 | | (2x+11)(3x+12)(4x-13)=0 | | 71x+19y=2 | | 2ln(x-1)+3=y | | 28-6x=12-8x | | 6x+8=-52-4x | | 2ln[sqrt(x-1)+1]+3=y | | 2u+1=3 | | y+(-3)=30 | | y=6x-90 | | 2ln[(x-1)+1]+3=y | | x-(3x-1)=1 | | 3x(x+5)+4x=78 | | 7x+6x+9x=88 | | 2.1=r | | 5(y-9)=3(2y+5) | | F(x)=4x-9 | | s*6-22=50 | | sqrt(x+3)x+sqrt(x+10)x+2sqrt(x+3)+8sqrt(x+10)=x^2+7x+2 | | y=3x^2+2x+1 |

Equations solver categories