3a-(a-1)=4a+5

Simple and best practice solution for 3a-(a-1)=4a+5 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-(a-1)=4a+5 equation:


Simplifying
3a + -1(a + -1) = 4a + 5

Reorder the terms:
3a + -1(-1 + a) = 4a + 5
3a + (-1 * -1 + a * -1) = 4a + 5
3a + (1 + -1a) = 4a + 5

Reorder the terms:
1 + 3a + -1a = 4a + 5

Combine like terms: 3a + -1a = 2a
1 + 2a = 4a + 5

Reorder the terms:
1 + 2a = 5 + 4a

Solving
1 + 2a = 5 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
1 + 2a + -4a = 5 + 4a + -4a

Combine like terms: 2a + -4a = -2a
1 + -2a = 5 + 4a + -4a

Combine like terms: 4a + -4a = 0
1 + -2a = 5 + 0
1 + -2a = 5

Add '-1' to each side of the equation.
1 + -1 + -2a = 5 + -1

Combine like terms: 1 + -1 = 0
0 + -2a = 5 + -1
-2a = 5 + -1

Combine like terms: 5 + -1 = 4
-2a = 4

Divide each side by '-2'.
a = -2

Simplifying
a = -2

See similar equations:

| 2.7y=43.2 | | 4(x+12)=4x+48 | | X^2+9y^2=25 | | .25=.6x+.7 | | 6-3(x+10)=3 | | .4x-2=.2x+5 | | (7y^2-8y)+(9y^2-y)= | | 5x+3(-5x-6)-7=82 | | 5.6=0.8x | | 3(6x+5)-2=18x+13 | | 9x^3+24x^2-9x= | | 5x+6=5(x-7) | | X^2+y^3=9 | | 2x+5y=30000 | | 9n^2+12n=0 | | 4z-(2z+6)=3z-4 | | 0=-16t^2+75t-87.890625 | | 5.7a+13=64.3 | | 4.8p+17=3.8p+10 | | X+4y=-13 | | y=2(5)+5 | | 4x^2-4x^2-1=0 | | 4y-3(-2+y)=-5 | | -2(x-5)=3x | | 3x^2+42x+147=0 | | 2x-3=10x+1 | | x^2+11z-42=0 | | 2lnx=19 | | 7x+10=kx | | -22.5-y=19.4 | | 4r=168 | | 10=kx-7x |

Equations solver categories