.2a+.4(20-a)=6.6

Simple and best practice solution for .2a+.4(20-a)=6.6 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 .2a+.4(20-a)=6.6 equation:


Simplifying
0.2a + 0.4(20 + -1a) = 6.6
0.2a + (20 * 0.4 + -1a * 0.4) = 6.6
0.2a + (8 + -0.4a) = 6.6

Reorder the terms:
8 + 0.2a + -0.4a = 6.6

Combine like terms: 0.2a + -0.4a = -0.2a
8 + -0.2a = 6.6

Solving
8 + -0.2a = 6.6

Solving for variable 'a'.

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

Add '-8' to each side of the equation.
8 + -8 + -0.2a = 6.6 + -8

Combine like terms: 8 + -8 = 0
0 + -0.2a = 6.6 + -8
-0.2a = 6.6 + -8

Combine like terms: 6.6 + -8 = -1.4
-0.2a = -1.4

Divide each side by '-0.2'.
a = 7

Simplifying
a = 7

See similar equations:

| 3(-10d+-6)+4d= | | 9x+5=5+8x | | 4x^2+32x+35=0 | | -3(1+6x)-2= | | -4(a+1)=a+11 | | 4-8(-9k-8)=-8k-8 | | 9+5=5+8 | | 3.2-17.88=-d+30 | | 4v^3-6v-6v+9v=0 | | 3(2n-2)=(9n+4)+2 | | 24=n(5+4) | | 1+2x+8=x+9 | | (2a-b)-(4a-b)= | | -(p-4)= | | 3ax-2ax= | | -(p+4)= | | 3x-12-x=15-4x-3 | | 17=7+x | | 8b^2(9b+10b^7)= | | 6+9x+x-5= | | 32=2n-3n+5m | | p-(5)x(-3)=-20 | | 3x-6y=z | | 9x+3+4=10 | | (5k^3+2k^2)-(5k^2-5k^3)= | | 9k=3x+12z | | 4(82+8)+8= | | (1+x)(2+x)(3+x)(4+x)-8=0 | | u=4(2n+30)+7(n+1) | | X-64=3x-26 | | 1-2n+5= | | 9k=3(x+4z) |

Equations solver categories