7(a-4)-2a=19+(a+3)

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Solution for 7(a-4)-2a=19+(a+3) equation:


Simplifying
7(a + -4) + -2a = 19 + (a + 3)

Reorder the terms:
7(-4 + a) + -2a = 19 + (a + 3)
(-4 * 7 + a * 7) + -2a = 19 + (a + 3)
(-28 + 7a) + -2a = 19 + (a + 3)

Combine like terms: 7a + -2a = 5a
-28 + 5a = 19 + (a + 3)

Reorder the terms:
-28 + 5a = 19 + (3 + a)

Remove parenthesis around (3 + a)
-28 + 5a = 19 + 3 + a

Combine like terms: 19 + 3 = 22
-28 + 5a = 22 + a

Solving
-28 + 5a = 22 + 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.
-28 + 5a + -1a = 22 + a + -1a

Combine like terms: 5a + -1a = 4a
-28 + 4a = 22 + a + -1a

Combine like terms: a + -1a = 0
-28 + 4a = 22 + 0
-28 + 4a = 22

Add '28' to each side of the equation.
-28 + 28 + 4a = 22 + 28

Combine like terms: -28 + 28 = 0
0 + 4a = 22 + 28
4a = 22 + 28

Combine like terms: 22 + 28 = 50
4a = 50

Divide each side by '4'.
a = 12.5

Simplifying
a = 12.5

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