-2+9=a+2-1

Simple and best practice solution for -2+9=a+2-1 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 -2+9=a+2-1 equation:


Simplifying
-2 + 9 = a + 2 + -1

Combine like terms: -2 + 9 = 7
7 = a + 2 + -1

Reorder the terms:
7 = 2 + -1 + a

Combine like terms: 2 + -1 = 1
7 = 1 + a

Solving
7 = 1 + 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.
7 + -1a = 1 + a + -1a

Combine like terms: a + -1a = 0
7 + -1a = 1 + 0
7 + -1a = 1

Add '-7' to each side of the equation.
7 + -7 + -1a = 1 + -7

Combine like terms: 7 + -7 = 0
0 + -1a = 1 + -7
-1a = 1 + -7

Combine like terms: 1 + -7 = -6
-1a = -6

Divide each side by '-1'.
a = 6

Simplifying
a = 6

See similar equations:

| x^2+1.6x-0.36=0 | | 14y-28=38 | | 10x-10=2x+3 | | 0=4x+3x^2 | | -7x+7x-11= | | 2x-9=x+17 | | -6c-7c= | | x+7-3x-2=4-8x | | X^3-ax-2(a+4)=0 | | 15(v+1)-3v=4(3v+2)-12 | | 540=34x+164 | | -5u+11+5u= | | .5(8x-7)=4x+7 | | 5/8=x/64 | | 4(6x-12)=72 | | 9y-36=-10y-23 | | 36b^2-24b=140 | | 8N^2+33n+4=0 | | 96=q/7--88 | | 17x-(7x-6)=66 | | 2x+9+7x-45=54 | | 7/9=x/72 | | 96=q/7-88 | | -2(-9y+6)-7=3(y-1)-5 | | 27x1/3 | | 4/1.75 | | (x+200)+45=180 | | 7/3=x/18 | | y-8x=2x^2-1 | | mE+mG+mH= | | 225.00+0.50x=100.00 | | -8p+9+9p=17 |

Equations solver categories