15-4a+20=7

Simple and best practice solution for 15-4a+20=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 15-4a+20=7 equation: 


Simplifying
15 + -4a + 20 = 7

Reorder the terms:
15 + 20 + -4a = 7

Combine like terms: 15 + 20 = 35
35 + -4a = 7

Solving
35 + -4a = 7

Solving for variable 'a'.

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

Add '-35' to each side of the equation.
35 + -35 + -4a = 7 + -35

Combine like terms: 35 + -35 = 0
0 + -4a = 7 + -35
-4a = 7 + -35

Combine like terms: 7 + -35 = -28
-4a = -28

Divide each side by '-4'.
a = 7

Simplifying
a = 7

See similar equations:

| 6/12=3/4 | | 3+6a=33 | | Sin(x+10)=cos(3x-20) | | -5+-3x=-32 | | Y-6=-2(x-4) | | 3x-7+35=23+4x | | -4(x-6)=22 | | 3x+15=75-7x | | x^2+20=-x | | -(-5+8a)+8= | | -2(x-8)=0 | | -7x+11=19-z | | 2.4+1.2(n+2)=6 | | 4.5(2x+4)=4x+18+15x | | Y=a+b(X) | | h=25t+5t^2+0.2 | | 3(2x-5)=2(x+10)+1 | | J+(14)=1 | | 5/22/7/22 | | e(7x+6)=10 | | (2+k)x-(1+k)y-5-k=2x+y-11 | | (-7m+5n)-(2m+4n)= | | 3tan^2(2x)-3=0 | | 3(4K+14)+10k-4=1k-2(k-7)+10k-4 | | -3-p/4=2 | | 3/2•10 | | 3x^2-x+8=g(x) | | 2(x+7)=362 | | -x+14=2x+5 | | -5/8-2x0 | | 3/2x10 | | 1/3=x/26 |

Equations solver categories