a+84=3a

Simple and best practice solution for a+84=3a 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+84=3a equation:


Simplifying
a + 84 = 3a

Reorder the terms:
84 + a = 3a

Solving
84 + a = 3a

Solving for variable 'a'.

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

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

Combine like terms: a + -3a = -2a
84 + -2a = 3a + -3a

Combine like terms: 3a + -3a = 0
84 + -2a = 0

Add '-84' to each side of the equation.
84 + -84 + -2a = 0 + -84

Combine like terms: 84 + -84 = 0
0 + -2a = 0 + -84
-2a = 0 + -84

Combine like terms: 0 + -84 = -84
-2a = -84

Divide each side by '-2'.
a = 42

Simplifying
a = 42

See similar equations:

| z^3+100z=0 | | 4x^2-12xy-16y^2= | | ((x^2)+3xy+(y^2))dx=(x^2)dy | | B+28=2b | | 6x=5y+1499 | | 21-4x=2x+1 | | (3+3)+3(x-1)=20 | | 6x=5x+1499 | | 8x-3x-96=44 | | 2a-7=-8 | | 2x-8=4x+3 | | 21-4x=10x+1 | | 21-4x=10z+1 | | X+y+6z=3 | | -3x-15=10x+12 | | 3y+12x=30 | | x^-13/12 | | -8x-13=10x+6 | | 5x^4+2x^2+1=0 | | y=e^2+10x | | 32-2x=7x+1 | | B+10=2b | | 3/8p=11 | | 3168=22*36k | | 4x(x+6)=40 | | 25=5x+5.50 | | 50=12-2b | | q=m2/3 | | 13x-21=4(2x-4)+5x-5 | | q=m^2y/3 | | 50=5*2.50r | | sin(X)=0.32 |

Equations solver categories