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

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Solution for 7(a-4)=4a-(2a+4) equation:


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

Reorder the terms:
7(-4 + a) = 4a + -1(2a + 4)
(-4 * 7 + a * 7) = 4a + -1(2a + 4)
(-28 + 7a) = 4a + -1(2a + 4)

Reorder the terms:
-28 + 7a = 4a + -1(4 + 2a)
-28 + 7a = 4a + (4 * -1 + 2a * -1)
-28 + 7a = 4a + (-4 + -2a)

Reorder the terms:
-28 + 7a = -4 + 4a + -2a

Combine like terms: 4a + -2a = 2a
-28 + 7a = -4 + 2a

Solving
-28 + 7a = -4 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
-28 + 7a + -2a = -4 + 2a + -2a

Combine like terms: 7a + -2a = 5a
-28 + 5a = -4 + 2a + -2a

Combine like terms: 2a + -2a = 0
-28 + 5a = -4 + 0
-28 + 5a = -4

Add '28' to each side of the equation.
-28 + 28 + 5a = -4 + 28

Combine like terms: -28 + 28 = 0
0 + 5a = -4 + 28
5a = -4 + 28

Combine like terms: -4 + 28 = 24
5a = 24

Divide each side by '5'.
a = 4.8

Simplifying
a = 4.8

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