-7(7-2a)=21+4a

Simple and best practice solution for -7(7-2a)=21+4a 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 -7(7-2a)=21+4a equation:


Simplifying
-7(7 + -2a) = 21 + 4a
(7 * -7 + -2a * -7) = 21 + 4a
(-49 + 14a) = 21 + 4a

Solving
-49 + 14a = 21 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
-49 + 14a + -4a = 21 + 4a + -4a

Combine like terms: 14a + -4a = 10a
-49 + 10a = 21 + 4a + -4a

Combine like terms: 4a + -4a = 0
-49 + 10a = 21 + 0
-49 + 10a = 21

Add '49' to each side of the equation.
-49 + 49 + 10a = 21 + 49

Combine like terms: -49 + 49 = 0
0 + 10a = 21 + 49
10a = 21 + 49

Combine like terms: 21 + 49 = 70
10a = 70

Divide each side by '10'.
a = 7

Simplifying
a = 7

See similar equations:

| -117=3(5m-4) | | p^2+4x+2=0 | | (2*x+6)+x=180 | | log*(x/8)=3 | | 8x+3x-7x-x=4+14 | | 2x-32+3x-53+2x-22+96=360 | | 6z-9=3 | | -5(-13.83-13)-7(-13.83+20)=91 | | 10x^2=13+2x | | f(x)=-1/2x | | 2.25w+5=13.5w+14 | | 0.5x/x=8 | | 4n^2-8n-21=-9 | | 3(a+4)+2(2a-3)=62 | | 4x-7/9-1=8/5x | | 3(a+4)+2(2a-3)=63 | | -7(1+8p)-5(6p-4)=-73 | | 3a+7a=9 | | 4x+7+y=180 | | 25-8x=15 | | .16x+.04(3000-x)=600 | | 1.8+.4x=.9x-4.7 | | 4x+7+5x-18+2y=360 | | x+2x=291 | | 7(4x+5)=28x+35 | | 25(4.73-3)+13(4.73+10)=235 | | 50-5x=250 | | 31-(-16)= | | .5x-2.7=.8 | | -s^2=49-14s | | n=6000+.04(6000) | | 5y+37=2 |

Equations solver categories