9a+7-2a=

Simple and best practice solution for 9a+7-2a= 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 9a+7-2a= equation: 


Simplifying
9a + 7 + -2a = 0

Reorder the terms:
7 + 9a + -2a = 0

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

Solving
7 + 7a = 0

Solving for variable 'a'.

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

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

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

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

Divide each side by '7'.
a = -1

Simplifying
a = -1

See similar equations:

| -9=v-2 | | 3x^3+9x^2+2x=0 | | 3x^3+9x^2+x=0 | | 3a^2+11a-4=0 | | (5x^2z^2)(8xz^3)= | | 3x^2+17x-56=0 | | 18x+110000+60x-0.0003x^3=0 | | x^2-9x-70=0 | | q^2+4q+3=0 | | (4x+2)(6x^2)=0 | | 7x-1=4x+8 | | 2g^2+7g=9 | | 2(4x-3)-8=6(1+3k) | | -2=-17x | | 3y^2+48y=0 | | 2h^2-3h+1=0 | | 4c-2=3x | | 9w^2-75w-54=0 | | 6x+4x+2=12 | | 8x+y=27 | | X^5+8x^3+12x=0 | | 16x^2-56x=0 | | x^2-3x=7x | | -2=8+2w | | 9r^2-100=0 | | 5(x+1)=8 | | 6b^2-1r-7=5 | | 10p-90=90 | | 10*35=12(12x) | | 3a-5a= | | (3y-1)(y^2-2y+4)= | | 4a^2-36= |

Equations solver categories