56+7a=21a

Simple and best practice solution for 56+7a=21a 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 56+7a=21a equation:


Simplifying
56 + 7a = 21a

Solving
56 + 7a = 21a

Solving for variable 'a'.

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

Add '-21a' to each side of the equation.
56 + 7a + -21a = 21a + -21a

Combine like terms: 7a + -21a = -14a
56 + -14a = 21a + -21a

Combine like terms: 21a + -21a = 0
56 + -14a = 0

Add '-56' to each side of the equation.
56 + -56 + -14a = 0 + -56

Combine like terms: 56 + -56 = 0
0 + -14a = 0 + -56
-14a = 0 + -56

Combine like terms: 0 + -56 = -56
-14a = -56

Divide each side by '-14'.
a = 4

Simplifying
a = 4

See similar equations:

| 500/38 | | 38/2=376 | | 3x+1=3-(2-2x) | | K-4.8=4.6 | | C=0.12+8 | | 18/60=x/100 | | 2x-6=18-2y | | 2n(8-5)=10n-7 | | 29=-4a+5 | | 3x-2(-6x-13)=191 | | 36-2n=10n | | 3y+5=4y+1 | | W*10=560 | | 5a+7-7a+5+2a= | | 2.5k-1.3=4.7 | | 3.7+1=z | | 80-5b=3b | | 2p-3=17+6p | | 9(6n^2-5)-2(27n^2+2)= | | 20-3y=y | | 2x-10y=4forx | | 7.4a+10=91.4 | | 36z+72= | | (3x+-5)(4x+3)=0 | | 4/9=m/15 | | 2x-6+3(2x-6)+.5(2x-6)+4=180 | | 5g+25=50 | | ln-8/2 | | 2a+30=7a | | 8/x=40/20 | | -6a-4a+10a= | | -7.35-2x=1.5x+0.5x+0.65 |

Equations solver categories