3(a+7)=2[a-(8-3)]

Simple and best practice solution for 3(a+7)=2[a-(8-3)] 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)=2[a-(8-3)] equation:


Simplifying
3(a + 7) = 2[a + -1(8 + -3)]

Reorder the terms:
3(7 + a) = 2[a + -1(8 + -3)]
(7 * 3 + a * 3) = 2[a + -1(8 + -3)]
(21 + 3a) = 2[a + -1(8 + -3)]

Combine like terms: 8 + -3 = 5
21 + 3a = 2[a + -1(5)]

Multiply -1 * 5
21 + 3a = 2[a + -5]

Reorder the terms:
21 + 3a = 2[-5 + a]
21 + 3a = [-5 * 2 + a * 2]
21 + 3a = [-10 + 2a]

Solving
21 + 3a = -10 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
21 + 3a + -2a = -10 + 2a + -2a

Combine like terms: 3a + -2a = 1a
21 + 1a = -10 + 2a + -2a

Combine like terms: 2a + -2a = 0
21 + 1a = -10 + 0
21 + 1a = -10

Add '-21' to each side of the equation.
21 + -21 + 1a = -10 + -21

Combine like terms: 21 + -21 = 0
0 + 1a = -10 + -21
1a = -10 + -21

Combine like terms: -10 + -21 = -31
1a = -31

Divide each side by '1'.
a = -31

Simplifying
a = -31

See similar equations:

| X/-4-1=4 | | X-1=15-8 | | 5/4^2 | | 6n/4n | | 6+x/4=14 | | 2/p=1/3 | | 12=6(x-5) | | 0.40=0.80c | | X/-2+2=-1 | | 0.2(-26.8+3x)=1.4x | | 7x=53 | | (2p/p)^-4 | | 4-n=1 | | 1/4=K/2 | | 6r^2-13r-8=0 | | 6r^2-13-8=0 | | -10N=10 | | -6(3p+4)-24=2(4p+2) | | 2w^2+1=3 | | -8+x/-5=19 | | (x+42)=(2x+1) | | 6x^3-10x^2+4x=0 | | 1+2(x-1)+3x=5+x-18 | | .666u-7=9-.666u | | -6(2p+3)-11=5(4p+7) | | 7+(-8)=x+1 | | 0.75t-.83=.67t | | 35/5=6x+4(-4x) | | 5(x-1)=-4(x+4)+26 | | 150=12x-0.025x^2 | | 3x-4x^2=10 | | 17w+5w=-88 |

Equations solver categories