3(a+7)=28.2

Simple and best practice solution for 3(a+7)=28.2 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 3(a+7)=28.2 equation:


Simplifying
3(a + 7) = 28.2

Reorder the terms:
3(7 + a) = 28.2
(7 * 3 + a * 3) = 28.2
(21 + 3a) = 28.2

Solving
21 + 3a = 28.2

Solving for variable 'a'.

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

Add '-21' to each side of the equation.
21 + -21 + 3a = 28.2 + -21

Combine like terms: 21 + -21 = 0
0 + 3a = 28.2 + -21
3a = 28.2 + -21

Combine like terms: 28.2 + -21 = 7.2
3a = 7.2

Divide each side by '3'.
a = 2.4

Simplifying
a = 2.4

See similar equations:

| -4.9=3c-7 | | 4e-2=23.6 | | 3a-7=14 | | 1x=3 | | 2l(w-1)=a+204 | | 11x-131=6x-11 | | 97-2x=16x+17 | | 78-2x=3x+18 | | 12-7x=148-35x | | 11x-9=79 | | -4-4x=11-9x | | 11y-66=0 | | 79-3x=15+23 | | -61-9x=10x+15 | | x^4-25= | | -154-9x=10x+17 | | x^4-16x^3-36x^2=0 | | 136-4x=6x+16 | | 1-5x=11-7x | | 4x+9=69-8x | | 4r^2=8r | | 5x-1=14x-46 | | v^2=4 | | 5+y+2=0 | | 5x+36=14x-72 | | 3.7g=-4.44 | | v+(v-30.5)+(v+27.7)= | | x(x+6)=204 | | -7(1-4m)=3(3k-9) | | (18x^2-2x+16)(3x^2-x-2)-(6x^3-x^2+16x-1)(9x-1)+(2x+2)(6x-1)(3x^2-x-2)=0 | | (18x^2-2x+16)(3x^2-x-2)-(6x^3-x^2+16x-1)(9x-1)=0 | | 2x-4=-7 |

Equations solver categories