3(a+4)=5(a-6)

Simple and best practice solution for 3(a+4)=5(a-6) 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+4)=5(a-6) equation:


Simplifying
3(a + 4) = 5(a + -6)

Reorder the terms:
3(4 + a) = 5(a + -6)
(4 * 3 + a * 3) = 5(a + -6)
(12 + 3a) = 5(a + -6)

Reorder the terms:
12 + 3a = 5(-6 + a)
12 + 3a = (-6 * 5 + a * 5)
12 + 3a = (-30 + 5a)

Solving
12 + 3a = -30 + 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
12 + 3a + -5a = -30 + 5a + -5a

Combine like terms: 3a + -5a = -2a
12 + -2a = -30 + 5a + -5a

Combine like terms: 5a + -5a = 0
12 + -2a = -30 + 0
12 + -2a = -30

Add '-12' to each side of the equation.
12 + -12 + -2a = -30 + -12

Combine like terms: 12 + -12 = 0
0 + -2a = -30 + -12
-2a = -30 + -12

Combine like terms: -30 + -12 = -42
-2a = -42

Divide each side by '-2'.
a = 21

Simplifying
a = 21

See similar equations:

| (N-7)*4=40 | | 10(3h+2)= | | 4+7m-1=7m+9-3 | | x^2=-121 | | (2x-4)(x+8)=0 | | 8x-4x-6x=0 | | (N+5)*3=18 | | 2a^2+5a-18=0 | | X+(13+x)=59 | | 100=4x^2 | | 6a^2+17a-10=0 | | x-4y=8 | | 5x^2-5x-7=0 | | 2v^2=9v+5 | | 6t=-40 | | 3a^2-11a-14=0 | | 3a^2-11a+14=0 | | 2(4y+20)+12=(28y-44)-32 | | -2(3x+2)+(7x-2)=0 | | 3w^2=19w+14 | | 25a^2-20a+4=0 | | 4.2x-3.6-5.9x=-2.7x-1.7 | | -9.4x=84.6 | | 5v^2=26v+24 | | 25a^2-20a+415=0 | | 3y-15=27x | | -9.4=84.6 | | 2c^2=7c | | 12x+9-5=11x-4 | | 2(y+5)+3=1(7y-11)-8 | | -8y+4=-9y+3 | | 8a^2+19a+6=0 |

Equations solver categories