3a+7=5a-9

Simple and best practice solution for 3a+7=5a-9 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 3a+7=5a-9 equation:


Simplifying
3a + 7 = 5a + -9

Reorder the terms:
7 + 3a = 5a + -9

Reorder the terms:
7 + 3a = -9 + 5a

Solving
7 + 3a = -9 + 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
7 + 3a + -5a = -9 + 5a + -5a

Combine like terms: 3a + -5a = -2a
7 + -2a = -9 + 5a + -5a

Combine like terms: 5a + -5a = 0
7 + -2a = -9 + 0
7 + -2a = -9

Add '-7' to each side of the equation.
7 + -7 + -2a = -9 + -7

Combine like terms: 7 + -7 = 0
0 + -2a = -9 + -7
-2a = -9 + -7

Combine like terms: -9 + -7 = -16
-2a = -16

Divide each side by '-2'.
a = 8

Simplifying
a = 8

See similar equations:

| -3j^2+7j-2=0 | | b-8+4b=31 | | -5v^2-6v+8=0 | | -5v-6v+8=0 | | 200=1.0725X | | 92=20Log(1/8) | | (5K-3)+(K+2)+(3K-11)=1+2+3 | | b-1+2b=31 | | 4z^3+15z^2+9z=0 | | ax+bx-b=c | | 1/2.1/3 | | 6.5=7.1-0.2x | | .5x-15=.15(x+10) | | 2+12x=24x | | (x-1/3)-7=(x-9/2) | | y^4+5y^3+2y=t | | (x-1/2)-2=(x-4/3) | | X/0,98X=10 | | X/53=31 | | (-5)+(-1)= | | x-2/2-3x+5/4=3/8 | | x^2-8x+16=19 | | -20(-50)=x/9 | | x^2+25x-15=0 | | 2(x-2)=5 | | x-2/2-3x+5/3=3/8 | | 14/(2/4-1/2) | | 3r=5(r+4) | | 4(3-14)= | | -27r^2-45r^2-4=0 | | 6/5+8x/15=7x/3 | | 12/6=36/e |

Equations solver categories