7-3(a+1)=8+a

Simple and best practice solution for 7-3(a+1)=8+a 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 7-3(a+1)=8+a equation:


Simplifying
7 + -3(a + 1) = 8 + a

Reorder the terms:
7 + -3(1 + a) = 8 + a
7 + (1 * -3 + a * -3) = 8 + a
7 + (-3 + -3a) = 8 + a

Combine like terms: 7 + -3 = 4
4 + -3a = 8 + a

Solving
4 + -3a = 8 + 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.
4 + -3a + -1a = 8 + a + -1a

Combine like terms: -3a + -1a = -4a
4 + -4a = 8 + a + -1a

Combine like terms: a + -1a = 0
4 + -4a = 8 + 0
4 + -4a = 8

Add '-4' to each side of the equation.
4 + -4 + -4a = 8 + -4

Combine like terms: 4 + -4 = 0
0 + -4a = 8 + -4
-4a = 8 + -4

Combine like terms: 8 + -4 = 4
-4a = 4

Divide each side by '-4'.
a = -1

Simplifying
a = -1

See similar equations:

| -2(6x-9)=6x | | 9(3x+6)=-(x-2) | | 2(x-23)=46-4(x-4) | | 2(3x-7)=14x-x-7 | | 13=-3(2x+3)+7x | | 3(a+1)=3(a+1)+2 | | 17+12= | | 3.6(y+1)=0.9(2y+12) | | 17+2x-12+3x= | | 18x^3-33x^2+14x=0 | | 5(a^4-625)=0 | | 17+2(x-6)+3x= | | 10-7x-7-5x=6 | | 5a^4-3125=0 | | 21(b-1)+9=3(7b-4) | | 4x+15=5x | | 4(x-3)=8x+24 | | 5+2x=-25 | | 0.6x-0.4=0.8(2x-8)-0.6 | | 6x-10=-4 | | 10x-10=90 | | -10+5x=20 | | 5(1+3)-2(5-3)= | | 8x+1=89 | | 10+4x=50 | | 40-5x=0 | | x(2x-13)=15 | | 12h+9=21 | | 305=9(s-35)+80 | | X^3-4x^2-7x=10 | | 7(a+3)=6(a-8) | | x^2+11x=90 |

Equations solver categories