a+4(7-2a)=-5a+20

Simple and best practice solution for a+4(7-2a)=-5a+20 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 a+4(7-2a)=-5a+20 equation:


Simplifying
a + 4(7 + -2a) = -5a + 20
a + (7 * 4 + -2a * 4) = -5a + 20
a + (28 + -8a) = -5a + 20

Reorder the terms:
28 + a + -8a = -5a + 20

Combine like terms: a + -8a = -7a
28 + -7a = -5a + 20

Reorder the terms:
28 + -7a = 20 + -5a

Solving
28 + -7a = 20 + -5a

Solving for variable 'a'.

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

Add '5a' to each side of the equation.
28 + -7a + 5a = 20 + -5a + 5a

Combine like terms: -7a + 5a = -2a
28 + -2a = 20 + -5a + 5a

Combine like terms: -5a + 5a = 0
28 + -2a = 20 + 0
28 + -2a = 20

Add '-28' to each side of the equation.
28 + -28 + -2a = 20 + -28

Combine like terms: 28 + -28 = 0
0 + -2a = 20 + -28
-2a = 20 + -28

Combine like terms: 20 + -28 = -8
-2a = -8

Divide each side by '-2'.
a = 4

Simplifying
a = 4

See similar equations:

| 2+y=-3-1 | | 2(3x-4)+5(6x-7)=20 | | 3(2x-5)-15=4x+3-8x | | -12.4=-19.1=n/-7.9 | | 38=-2d | | 24r-10=18r-4 | | 3(x-5)=2x+4 | | p+3=5p+3p+24 | | 6(2x-5)+3=15 | | 5m+17=47 | | 15-v-5=3-7-1 | | r^2+8=4t | | 2(x-8)-5=7 | | 593c-20+8=43 | | 5(x+1)=4(3+x) | | 25=-5/4y | | 104a=52 | | 6c+-4-c=24 | | 104a=54 | | 2v/9=-4 | | -5/6y=30 | | -15x-3x=4x-2x | | 4x-7-7x=10 | | 8=56/x | | -6p+4+7p=13 | | 10+7=14x-3 | | 5y+2=4y-7 | | 6c+4c=24 | | (8t-6t-1)/2=5 | | 161=23x | | -4x+x=54 | | -8=15-6x |

Equations solver categories