7-3(a+4)=8+a

Simple and best practice solution for 7-3(a+4)=8+a 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 7-3(a+4)=8+a equation:


Simplifying
7 + -3(a + 4) = 8 + a

Reorder the terms:
7 + -3(4 + a) = 8 + a
7 + (4 * -3 + a * -3) = 8 + a
7 + (-12 + -3a) = 8 + a

Combine like terms: 7 + -12 = -5
-5 + -3a = 8 + a

Solving
-5 + -3a = 8 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-5 + -3a + -1a = 8 + a + -1a

Combine like terms: -3a + -1a = -4a
-5 + -4a = 8 + a + -1a

Combine like terms: a + -1a = 0
-5 + -4a = 8 + 0
-5 + -4a = 8

Add '5' to each side of the equation.
-5 + 5 + -4a = 8 + 5

Combine like terms: -5 + 5 = 0
0 + -4a = 8 + 5
-4a = 8 + 5

Combine like terms: 8 + 5 = 13
-4a = 13

Divide each side by '-4'.
a = -3.25

Simplifying
a = -3.25

See similar equations:

| .1=(x-26.5)/6.4 | | 7-3(a+4)=8+4 | | e^2x=11 | | 3y+14=7 | | x(y-1)dx+y(x+1)dy=0 | | 8-(x-14)= | | 2x/0=2 | | 4P-2=12+2P | | 4N-26=-50+7N | | A+(A-3)=(A-5)-(A+2) | | X+x-5=21 | | 0.0500=log(x) | | -100=11x^2+13x-28 | | 5.17p^2-7.47p=9 | | -0.008x^2-0.88x+5=0 | | 0.3x+0.4y=1.2 | | 6m^2=13m-28 | | -1(z+4)=2 | | A=6x+5 | | 7x^2-14x-58=-2 | | 8.75=n+5.61 | | 7.5p=20 | | 5a-3-8a-1+6a+4= | | 5(a+5)+6(6a+2)= | | 4x^2+41x+98=-2-3x | | 39=13w | | 2(5x-3)=4(2x-1) | | xy-y-x^2+1=4 | | xy-x-y-1=0 | | 2.4=m+9.7 | | 2a-3.2=7a-5.3 | | 24x+21y=500 |

Equations solver categories