a+(a-1)+2*(a+1)=49

Simple and best practice solution for a+(a-1)+2*(a+1)=49 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 a+(a-1)+2*(a+1)=49 equation:


Simplifying
a + (a + -1) + 2(a + 1) = 49

Reorder the terms:
a + (-1 + a) + 2(a + 1) = 49

Remove parenthesis around (-1 + a)
a + -1 + a + 2(a + 1) = 49

Reorder the terms:
a + -1 + a + 2(1 + a) = 49
a + -1 + a + (1 * 2 + a * 2) = 49
a + -1 + a + (2 + 2a) = 49

Reorder the terms:
-1 + 2 + a + a + 2a = 49

Combine like terms: -1 + 2 = 1
1 + a + a + 2a = 49

Combine like terms: a + a = 2a
1 + 2a + 2a = 49

Combine like terms: 2a + 2a = 4a
1 + 4a = 49

Solving
1 + 4a = 49

Solving for variable 'a'.

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

Add '-1' to each side of the equation.
1 + -1 + 4a = 49 + -1

Combine like terms: 1 + -1 = 0
0 + 4a = 49 + -1
4a = 49 + -1

Combine like terms: 49 + -1 = 48
4a = 48

Divide each side by '4'.
a = 12

Simplifying
a = 12

See similar equations:

| -3=-6x^2-8x | | 9x+1=4x+51 | | 3x^2+48=24x | | 3=5x^2+2x+18 | | a+(a-1)+2x(a+1)=49 | | b^2=-2b | | -2=-4x^2+7x | | a(x+7)(x^2-18x+82)=0 | | 2x+17=12x-93 | | 7-8X=19-15X | | 4=2x^2-3x+5 | | 5X+8=-70-8X | | 33p-5x-7=7y-5x+3 | | 118=1-3(5x+1) | | a(x+6)(x^2-18x+82)=0 | | 3x+(-5x-(x+3))=8x+(-5x-9) | | 7x-5+3=2x | | (x+2)(x-7)=0 | | 5x+9=-19-9x | | 187-6x=6x-19 | | -7v-v=-12+2v-8v | | 9-9x=126-30x | | 56+21=12X-56 | | 5-(6y+9)+2y=2(y+1) | | 2(4y+5)=-5y-16 | | 0.2x+0.33+3(0.33x-0.2x)+1=x | | 2-5x+8x=11 | | -8x+20=-6x+18 | | 4x+14=2x | | 5-(6y+9)= | | -6n+6n=0 | | 7n^2+6=17n |

Equations solver categories