4=a-9

Simple and best practice solution for 4=a-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 4=a-9 equation:


Simplifying
4 = a + -9

Reorder the terms:
4 = -9 + a

Solving
4 = -9 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
4 + -1a = -9 + a + -1a

Combine like terms: a + -1a = 0
4 + -1a = -9 + 0
4 + -1a = -9

Add '-4' to each side of the equation.
4 + -4 + -1a = -9 + -4

Combine like terms: 4 + -4 = 0
0 + -1a = -9 + -4
-1a = -9 + -4

Combine like terms: -9 + -4 = -13
-1a = -13

Divide each side by '-1'.
a = 13

Simplifying
a = 13

See similar equations:

| 2x(3x)-2x(4)+7(3x)-7(4)= | | (x+30)-x=180 | | 2p^2-22p-2=-6p^2-7p | | x/6-15= | | (x+30)+x=180 | | y^2/3-49 | | (x-30)-x=180 | | 21/6-15=-8 | | 2x^1/2-4 | | 1/9:72 | | Log(6)x=17 | | 4(x*2)=5 | | x+3-1=0 | | x/10-8=0 | | 3x+1=4-(x+11) | | x^3/8•x^3/4 | | x=5x+9 | | 2(8x+6)=14 | | [(3x-1)/4](x-1/3) | | X^2=-18x-9x | | (x^-3)/(x^-8) | | -2c=-24 | | f(x)=(42x-x^2)/(x-42) | | (x+33)+27=90 | | y^2/25=3 | | 23.3(7.9)+11.5y=267 | | 3400/430 | | 5s+36=111 | | 3(5x-3)=10 | | X+1.46y=33.8 | | 3(x-4)-7=-2x(x-5) | | 13x^2-4x-60=0 |

Equations solver categories