9(3a-7)=(4+a)

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Solution for 9(3a-7)=(4+a) equation:


Simplifying
9(3a + -7) = (4 + a)

Reorder the terms:
9(-7 + 3a) = (4 + a)
(-7 * 9 + 3a * 9) = (4 + a)
(-63 + 27a) = (4 + a)

Remove parenthesis around (4 + a)
-63 + 27a = 4 + a

Solving
-63 + 27a = 4 + 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.
-63 + 27a + -1a = 4 + a + -1a

Combine like terms: 27a + -1a = 26a
-63 + 26a = 4 + a + -1a

Combine like terms: a + -1a = 0
-63 + 26a = 4 + 0
-63 + 26a = 4

Add '63' to each side of the equation.
-63 + 63 + 26a = 4 + 63

Combine like terms: -63 + 63 = 0
0 + 26a = 4 + 63
26a = 4 + 63

Combine like terms: 4 + 63 = 67
26a = 67

Divide each side by '26'.
a = 2.576923077

Simplifying
a = 2.576923077

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