4a-7=5(4a-7)-9

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Solution for 4a-7=5(4a-7)-9 equation:


Simplifying
4a + -7 = 5(4a + -7) + -9

Reorder the terms:
-7 + 4a = 5(4a + -7) + -9

Reorder the terms:
-7 + 4a = 5(-7 + 4a) + -9
-7 + 4a = (-7 * 5 + 4a * 5) + -9
-7 + 4a = (-35 + 20a) + -9

Reorder the terms:
-7 + 4a = -35 + -9 + 20a

Combine like terms: -35 + -9 = -44
-7 + 4a = -44 + 20a

Solving
-7 + 4a = -44 + 20a

Solving for variable 'a'.

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

Add '-20a' to each side of the equation.
-7 + 4a + -20a = -44 + 20a + -20a

Combine like terms: 4a + -20a = -16a
-7 + -16a = -44 + 20a + -20a

Combine like terms: 20a + -20a = 0
-7 + -16a = -44 + 0
-7 + -16a = -44

Add '7' to each side of the equation.
-7 + 7 + -16a = -44 + 7

Combine like terms: -7 + 7 = 0
0 + -16a = -44 + 7
-16a = -44 + 7

Combine like terms: -44 + 7 = -37
-16a = -37

Divide each side by '-16'.
a = 2.3125

Simplifying
a = 2.3125

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