3(2a+7)=3a+12

Simple and best practice solution for 3(2a+7)=3a+12 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 3(2a+7)=3a+12 equation:


Simplifying
3(2a + 7) = 3a + 12

Reorder the terms:
3(7 + 2a) = 3a + 12
(7 * 3 + 2a * 3) = 3a + 12
(21 + 6a) = 3a + 12

Reorder the terms:
21 + 6a = 12 + 3a

Solving
21 + 6a = 12 + 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.
21 + 6a + -3a = 12 + 3a + -3a

Combine like terms: 6a + -3a = 3a
21 + 3a = 12 + 3a + -3a

Combine like terms: 3a + -3a = 0
21 + 3a = 12 + 0
21 + 3a = 12

Add '-21' to each side of the equation.
21 + -21 + 3a = 12 + -21

Combine like terms: 21 + -21 = 0
0 + 3a = 12 + -21
3a = 12 + -21

Combine like terms: 12 + -21 = -9
3a = -9

Divide each side by '3'.
a = -3

Simplifying
a = -3

See similar equations:

| 3x^3=-24 | | 3x-27=6 | | 105(0.3571428571+0.2142857143y)+3y=80 | | 3x-9=3(x-3) | | 3x-7y+4(y-3)-5(x+3)= | | c^2+3c-28=0 | | 14*x+(-3)*y=5 | | 104(2s+5)=108 | | 4x+y=27 | | 5x^2-4x-12= | | x^2-3x+7=9 | | 5x+25=13x-47 | | 9+6x=34+x | | 5x+4p(9p^2+2p)=0 | | 1.375x=.875+x | | 9a^2-4b=0 | | X^2+5x-4=0 | | 9a^2-44b^2=0 | | .80(0.6)-y=.60 | | 15+2(5-3x)=5-5(2x-3)+7 | | 2(0.75+1.25y)+0.33333333333y=3.2 | | -9q+2=-16 | | x*2+7x=0 | | X^4+5x^2-24=0 | | -6+-18=-6 | | 8x^2-98=0 | | .80x-y=.60 | | X^4+5x^2-2=0 | | 5-17= | | .20x+.10(-20)=-4 | | .50(-20+-0.5y)-.25y=0 | | .20x+.10y=-4 |

Equations solver categories