5a=21-2a

Simple and best practice solution for 5a=21-2a 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 5a=21-2a equation: 


Simplifying
5a = 21 + -2a

Solving
5a = 21 + -2a

Solving for variable 'a'.

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

Add '2a' to each side of the equation.
5a + 2a = 21 + -2a + 2a

Combine like terms: 5a + 2a = 7a
7a = 21 + -2a + 2a

Combine like terms: -2a + 2a = 0
7a = 21 + 0
7a = 21

Divide each side by '7'.
a = 3

Simplifying
a = 3

See similar equations:

| y+y+8=-7-3 | | x+4+7x+9= | | -5(5.25+3.1x)=6.2(2.5x+1.9) | | .5-.75y=-2 | | 3x+64=8x+11 | | 2g+2=11g-6 | | 5x+48+7x=(x+4) | | 8X+2=-4X+50 | | 3(5-x)=-2x-2 | | 8t-3=5(2t+1) | | -18+4x=-(x-2) | | -7(1-6k)-3(7k-4)=68 | | 4y+49=-3y | | 3x+154=9x-14 | | -1-5x=6 | | -8r+6=-7r+13 | | 4c+7=20 | | 3ln(x)+2ln(x^2)=6 | | 3x=2y+9 | | 4(x+2)=-4 | | 0.28-0.18x=0.208 | | 2(4-3x)=64 | | (3+m)+(2m-4)=12 | | 5x+2=ax-1 | | 2(x+2)2=72 | | 5m+4=21 | | 3(x+2)=5(x-4) | | 18=b-76 | | (9x+5)(9x-5)=81x-25 | | -6n-2(1+7n)=138 | | 8x-5y=4 | | 3(a-b)-4(5a-3b)= |

Equations solver categories