a+(21+2a)=180

Simple and best practice solution for a+(21+2a)=180 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+(21+2a)=180 equation:


Simplifying
a + (21 + 2a) = 180

Remove parenthesis around (21 + 2a)
a + 21 + 2a = 180

Reorder the terms:
21 + a + 2a = 180

Combine like terms: a + 2a = 3a
21 + 3a = 180

Solving
21 + 3a = 180

Solving for variable 'a'.

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

Add '-21' to each side of the equation.
21 + -21 + 3a = 180 + -21

Combine like terms: 21 + -21 = 0
0 + 3a = 180 + -21
3a = 180 + -21

Combine like terms: 180 + -21 = 159
3a = 159

Divide each side by '3'.
a = 53

Simplifying
a = 53

See similar equations:

| 0.5n-9=4n+5-4 | | 12x+(-12y)-5x-(-3y)+20= | | p^3+4p^2= | | 76(25)-7w=800 | | 4x+z-y=116 | | 116-4y=x | | 2(4-4x-8x)+3(7x+2)=5 | | x+4=1.5x | | 25+-55= | | 10z+5+4z=-1+4z+16 | | -5x=310 | | -5x=350 | | 5(4)(1xb)= | | 175m-125m+42750=45900-175m | | A=2B+B | | a=prt+r | | 4x(2x+1)= | | 12x-3x+96=12x+51 | | -5p=q+20 | | 6.6+4.2x=x+18.6 | | -5P=q-20 | | 4x^2+10x+31=0 | | 4*8+y=8 | | 1x+0=8 | | 12(2b+4)= | | 617252.6592=2604.4416*h | | -1/2(18r-12)=3(2-3r) | | q^2+48=0 | | z^2+34z=0 | | 5x-3(x-3)=-9+4x+10 | | 7x+6=-8+2x+24 | | 617525.6592=2604.4416*h |

Equations solver categories