(3a-9+4b)-(a-5+2a)=0

Simple and best practice solution for (3a-9+4b)-(a-5+2a)=0 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-9+4b)-(a-5+2a)=0 equation:


Simplifying
(3a + -9 + 4b) + -1(a + -5 + 2a) = 0

Reorder the terms:
(-9 + 3a + 4b) + -1(a + -5 + 2a) = 0

Remove parenthesis around (-9 + 3a + 4b)
-9 + 3a + 4b + -1(a + -5 + 2a) = 0

Reorder the terms:
-9 + 3a + 4b + -1(-5 + a + 2a) = 0

Combine like terms: a + 2a = 3a
-9 + 3a + 4b + -1(-5 + 3a) = 0
-9 + 3a + 4b + (-5 * -1 + 3a * -1) = 0
-9 + 3a + 4b + (5 + -3a) = 0

Reorder the terms:
-9 + 5 + 3a + -3a + 4b = 0

Combine like terms: -9 + 5 = -4
-4 + 3a + -3a + 4b = 0

Combine like terms: 3a + -3a = 0
-4 + 0 + 4b = 0
-4 + 4b = 0

Solving
-4 + 4b = 0

Solving for variable 'b'.

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

Add '4' to each side of the equation.
-4 + 4 + 4b = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 4b = 0 + 4
4b = 0 + 4

Combine like terms: 0 + 4 = 4
4b = 4

Divide each side by '4'.
b = 1

Simplifying
b = 1

See similar equations:

| 2y-6=10y-58 | | (5x-3)(x-4)=0 | | 52x+3.2-1.75=17x+2-1.85+19x | | 149+13x+5=180 | | 9x-45=8x+40 | | 4-lnx=9 | | x(6x+24)=0 | | 2x+1=210 | | 8(99)=8(100)-8(u) | | 3.14=314X | | 5x-8y=23 | | 4z-5+3z=9 | | 72+3x+3=90 | | 4x-2x+5= | | 30(20-10)=30(22)-30(i) | | -5x+4=1 | | 77-7y=126 | | 15.50x+9.25=12.50x | | 2p+2q=260 | | 23=-3x+1 | | 4(33)=4(30)+4(f) | | 7.20=(4t+1.20) | | 4x6.32/22 | | 3(x-20)-5=20 | | -32x-3=1 | | 1/2×2/3= | | (r+6)(-r+1)=0 | | x^2+16x-260=0 | | 9(23)=9(g)+9(3) | | d+4(d+6)=5(2d-3)-10d+14 | | x(2x-30)(60-2x)= | | 4.6+10m=7.25 |

Equations solver categories