2a-7=3(a+1)+9a+3

Simple and best practice solution for 2a-7=3(a+1)+9a+3 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 2a-7=3(a+1)+9a+3 equation:


Simplifying
2a + -7 = 3(a + 1) + 9a + 3

Reorder the terms:
-7 + 2a = 3(a + 1) + 9a + 3

Reorder the terms:
-7 + 2a = 3(1 + a) + 9a + 3
-7 + 2a = (1 * 3 + a * 3) + 9a + 3
-7 + 2a = (3 + 3a) + 9a + 3

Reorder the terms:
-7 + 2a = 3 + 3 + 3a + 9a

Combine like terms: 3 + 3 = 6
-7 + 2a = 6 + 3a + 9a

Combine like terms: 3a + 9a = 12a
-7 + 2a = 6 + 12a

Solving
-7 + 2a = 6 + 12a

Solving for variable 'a'.

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

Add '-12a' to each side of the equation.
-7 + 2a + -12a = 6 + 12a + -12a

Combine like terms: 2a + -12a = -10a
-7 + -10a = 6 + 12a + -12a

Combine like terms: 12a + -12a = 0
-7 + -10a = 6 + 0
-7 + -10a = 6

Add '7' to each side of the equation.
-7 + 7 + -10a = 6 + 7

Combine like terms: -7 + 7 = 0
0 + -10a = 6 + 7
-10a = 6 + 7

Combine like terms: 6 + 7 = 13
-10a = 13

Divide each side by '-10'.
a = -1.3

Simplifying
a = -1.3

See similar equations:

| -6=-x-3y | | 0.7x-0.3=0.6x+6 | | (4k-3)(4k-3)=50 | | -3(y-3)=4y+30 | | 2(a+2)/4+0.5a | | 4-2/3y=4/5 | | X+(x*x)+(4x-2)=34 | | 4y^4/x^6/16y^2/3x | | (2x-1)=4x(x-2) | | (4y^4/x^6)/(16y^2/3x) | | y=228+39-27 | | 3x+10y=392 | | -3a+19=2a-16 | | w+19=5+9w | | 6/5(-2) | | (x+3)(x+5)-(x-6)(x+6)=0 | | (2/5)x+1=(1/3)+x | | (x+3)(x^2+5x-24)=x | | 11/6/21/4 | | (x+3)(x^2+5x-24)=8 | | -11/5(-40) | | (x+3)(x^2+5x-24)=f(x) | | 0=-4.9T^2+120T | | (x+3)-2(x(1+x))=x(2-x) | | 8x+7y=416 | | (2/3)y=16/27 | | -11/5(-6) | | x+x+14=90 | | 10b^2+6b=0 | | x+x+x=14 | | [(-23)+(-7)]+13= | | 7+6(-3)= |

Equations solver categories