4a-4=8+7

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


Simplifying
4a + -4 = 8 + 7

Reorder the terms:
-4 + 4a = 8 + 7

Combine like terms: 8 + 7 = 15
-4 + 4a = 15

Solving
-4 + 4a = 15

Solving for variable 'a'.

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

Add '4' to each side of the equation.
-4 + 4 + 4a = 15 + 4

Combine like terms: -4 + 4 = 0
0 + 4a = 15 + 4
4a = 15 + 4

Combine like terms: 15 + 4 = 19
4a = 19

Divide each side by '4'.
a = 4.75

Simplifying
a = 4.75

See similar equations:

| -47=9b-11+3b | | 4u+11= | | 3x*x+6x=1 | | 2k-16=32 | | -8=2(4e+8) | | 0.62+1.2= | | 5/8(x-2)=6.25 | | 5+30x=20x+13 | | 7x+4=5x+2 | | -20=-4+8x | | 9(x+5)=81 | | 0.5x+2=x | | x/17=4.9 | | 3(x+2y)+4y=ax+by | | x/17=49 | | 4w+10=2 | | 0.5x-2=x | | 3a+24a=23 | | 4.5-1.2=48 | | x^2=ay | | 15x+7y= | | 7x+19=2x+29 | | -5(w+1)=-3(5w-1)+4w | | 6p+2=4p+17 | | 2x+1=10x-7 | | 56=10-5x | | 7h-12=h+36 | | 73/100•(-2/7) | | 6/7_p/14 | | 6/7_72 | | 63=60cosh(x/60) | | x/45 |

Equations solver categories