-4a+20+7a=2a-9a

Simple and best practice solution for -4a+20+7a=2a-9a 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+20+7a=2a-9a equation:


Simplifying
-4a + 20 + 7a = 2a + -9a

Reorder the terms:
20 + -4a + 7a = 2a + -9a

Combine like terms: -4a + 7a = 3a
20 + 3a = 2a + -9a

Combine like terms: 2a + -9a = -7a
20 + 3a = -7a

Solving
20 + 3a = -7a

Solving for variable 'a'.

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

Add '7a' to each side of the equation.
20 + 3a + 7a = -7a + 7a

Combine like terms: 3a + 7a = 10a
20 + 10a = -7a + 7a

Combine like terms: -7a + 7a = 0
20 + 10a = 0

Add '-20' to each side of the equation.
20 + -20 + 10a = 0 + -20

Combine like terms: 20 + -20 = 0
0 + 10a = 0 + -20
10a = 0 + -20

Combine like terms: 0 + -20 = -20
10a = -20

Divide each side by '10'.
a = -2

Simplifying
a = -2

See similar equations:

| -20.3=6w | | 5m+3m=16 | | (3x-1)/2 | | -3(-5.142)-7y=21 | | 7x+6/6x-3 | | 5x+2(3x+12)=101 | | -7=2b+3-2 | | 2(1-6x)+6=-10 | | 6+10v=256 | | -14+10=m-10 | | 0=-6b-5b | | .6*k+5=7 | | 3x^2-14x-2=0 | | -3x+9=-6y | | -7x-9(-3)=63 | | x-9=-7+5 | | 4n-n=-12 | | x-9/3=5 | | x^4-5x^2-50=0 | | 3-5(2x-1)+1x=-10 | | 7(7y+2)-9=-2 | | -5y-9=-y+1 | | 6(c+4c)=4c-18 | | 6x+4(4x-15)=50 | | -2=w/5 | | 3k-9=7+2k-k | | -4x+4(2x+8)=-8+8(x+8) | | L+50=1.32 | | -8/9(9+y)=64 | | 5/3x+1/3x=8/3+8/3x | | -8(t-7)-7(2t+1)=-17 | | 7(x-4)=6(x+1)-3 |

Equations solver categories