42a+29-40a=45

Simple and best practice solution for 42a+29-40a=45 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 42a+29-40a=45 equation:


Simplifying
42a + 29 + -40a = 45

Reorder the terms:
29 + 42a + -40a = 45

Combine like terms: 42a + -40a = 2a
29 + 2a = 45

Solving
29 + 2a = 45

Solving for variable 'a'.

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

Add '-29' to each side of the equation.
29 + -29 + 2a = 45 + -29

Combine like terms: 29 + -29 = 0
0 + 2a = 45 + -29
2a = 45 + -29

Combine like terms: 45 + -29 = 16
2a = 16

Divide each side by '2'.
a = 8

Simplifying
a = 8

See similar equations:

| 2n^2-9n-11=0 | | 12X+6=3(2X-4) | | ez+6yz=3y | | a*2.5=470 | | 13x-3(2y-4x)= | | 4n^2+15n+9=0 | | 6.8=-4+x | | -27=1+7p | | r-2+2r-15=37 | | 4n^2-19n-5=0 | | 44h=154 | | 1.25x=90 | | r-2=2r-15 | | (4x^3y^2)(3x^2y^3)= | | 8m+20-3m-1=0 | | 3s^2+17s+14=0 | | 18(x^6)-x^2=0 | | 13x=15x-8 | | (3x-3)(3x^5-5x^4+2x^3+x^2-4x+5)= | | 18(x^4)-x^2=0 | | 6n^2+23n+7=0 | | 4.7=6.5-0.6x | | -21X+42+x=-6x-24x+32 | | 2/3x-28=46 | | -91=n-67 | | 6x+2x-9=47 | | graphf(x)=4x^2-8x-5 | | 2x+y+x-y=800 | | 5q^2-12q-9=0 | | (y-9)(-6y^2+8y+2)= | | 180-x=45x-2x^2 | | f(x)=4x^2-8x-5graph |

Equations solver categories