5(a+2)+2(2a-1)=7(a-4)

Simple and best practice solution for 5(a+2)+2(2a-1)=7(a-4) 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 5(a+2)+2(2a-1)=7(a-4) equation:


Simplifying
5(a + 2) + 2(2a + -1) = 7(a + -4)

Reorder the terms:
5(2 + a) + 2(2a + -1) = 7(a + -4)
(2 * 5 + a * 5) + 2(2a + -1) = 7(a + -4)
(10 + 5a) + 2(2a + -1) = 7(a + -4)

Reorder the terms:
10 + 5a + 2(-1 + 2a) = 7(a + -4)
10 + 5a + (-1 * 2 + 2a * 2) = 7(a + -4)
10 + 5a + (-2 + 4a) = 7(a + -4)

Reorder the terms:
10 + -2 + 5a + 4a = 7(a + -4)

Combine like terms: 10 + -2 = 8
8 + 5a + 4a = 7(a + -4)

Combine like terms: 5a + 4a = 9a
8 + 9a = 7(a + -4)

Reorder the terms:
8 + 9a = 7(-4 + a)
8 + 9a = (-4 * 7 + a * 7)
8 + 9a = (-28 + 7a)

Solving
8 + 9a = -28 + 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
8 + 9a + -7a = -28 + 7a + -7a

Combine like terms: 9a + -7a = 2a
8 + 2a = -28 + 7a + -7a

Combine like terms: 7a + -7a = 0
8 + 2a = -28 + 0
8 + 2a = -28

Add '-8' to each side of the equation.
8 + -8 + 2a = -28 + -8

Combine like terms: 8 + -8 = 0
0 + 2a = -28 + -8
2a = -28 + -8

Combine like terms: -28 + -8 = -36
2a = -36

Divide each side by '2'.
a = -18

Simplifying
a = -18

See similar equations:

| 2logx=log(12x-360)+1 | | 23m=-15 | | 0=y^2+4z^2 | | 5a^2-7+1=1.2 | | 89-19y=-7(60+4) | | 12=k/-3 | | 18y-y=69 | | 7-z=6 | | (3u+27)(u^2-9u+18)=0 | | -18x^2+57x-42=0 | | -12-4/-5-3= | | y-2=-4/9x | | x+.0926x=55 | | 4(3x+14)=32 | | 30/z=2 | | d^2s/dt^2=1/(as)^1/2 | | 2x+5x+4+3= | | x+1.0926x=55 | | 3+x=9x+13 | | (5,3),m=1/5 | | v/1.92=6 | | 7(1+7n)=-287 | | 3x-(2x+4)=2x-8 | | 3x^2-6x+16=9 | | 60x-2x^2=22x+91 | | x+.08x=55 | | 20z=80 | | 5y+7-2y=7-3(y-9) | | 6(4n-8)=-192 | | 3(x+8)=x | | 5+5x-3x=17 | | 4a+5(1+7a)=-229 |

Equations solver categories