84=7a

Simple and best practice solution for 84=7a 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 84=7a equation:


Simplifying
84 = 7a

Solving
84 = 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
84 + -7a = 7a + -7a

Combine like terms: 7a + -7a = 0
84 + -7a = 0

Add '-84' to each side of the equation.
84 + -84 + -7a = 0 + -84

Combine like terms: 84 + -84 = 0
0 + -7a = 0 + -84
-7a = 0 + -84

Combine like terms: 0 + -84 = -84
-7a = -84

Divide each side by '-7'.
a = 12

Simplifying
a = 12

See similar equations:

| 2(-7x-6)=-12 | | 0.02h=0.4 | | -3(-2-6x)=30 | | 7x-8=76 | | 0.05t=3.5 | | -27-6a=3a | | 29-x=5+2x | | 6x^2-6xy+y^2+9x+10y-10=0 | | 6x^2-6xy+y^2+9x+10y-10=o | | 3x+32=5x+10 | | 18.8=4x+-2.4 | | 5m-12m=56 | | 5m-12m=565 | | 5x+1=6x-9 | | 3x+8=2x+10 | | 2+7x=3x+2 | | 5x+6y=80 | | -3x+8y=10 | | .30(80)+0.60x=0.40(80+x) | | 7x^2-20-3=0 | | 6x+3=-5+7x | | c^2-10c=0 | | 5x+9=2x+10 | | 6x+6+5x=39 | | 8+3x+7x=28 | | 6+x+x=6 | | 8+6x+5=118 | | x=2y+8 | | (-7+0)(1)(x)= | | 7x+7+3x=7 | | (37b-8)-9(4b+4)=-3 | | 2+x+7x=10 |

Equations solver categories