7a+4(a-9)=6a+4

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Solution for 7a+4(a-9)=6a+4 equation:


Simplifying
7a + 4(a + -9) = 6a + 4

Reorder the terms:
7a + 4(-9 + a) = 6a + 4
7a + (-9 * 4 + a * 4) = 6a + 4
7a + (-36 + 4a) = 6a + 4

Reorder the terms:
-36 + 7a + 4a = 6a + 4

Combine like terms: 7a + 4a = 11a
-36 + 11a = 6a + 4

Reorder the terms:
-36 + 11a = 4 + 6a

Solving
-36 + 11a = 4 + 6a

Solving for variable 'a'.

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

Add '-6a' to each side of the equation.
-36 + 11a + -6a = 4 + 6a + -6a

Combine like terms: 11a + -6a = 5a
-36 + 5a = 4 + 6a + -6a

Combine like terms: 6a + -6a = 0
-36 + 5a = 4 + 0
-36 + 5a = 4

Add '36' to each side of the equation.
-36 + 36 + 5a = 4 + 36

Combine like terms: -36 + 36 = 0
0 + 5a = 4 + 36
5a = 4 + 36

Combine like terms: 4 + 36 = 40
5a = 40

Divide each side by '5'.
a = 8

Simplifying
a = 8

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