4a+16a-100=-4

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Solution for 4a+16a-100=-4 equation:


Simplifying
4a + 16a + -100 = -4

Reorder the terms:
-100 + 4a + 16a = -4

Combine like terms: 4a + 16a = 20a
-100 + 20a = -4

Solving
-100 + 20a = -4

Solving for variable 'a'.

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

Add '100' to each side of the equation.
-100 + 100 + 20a = -4 + 100

Combine like terms: -100 + 100 = 0
0 + 20a = -4 + 100
20a = -4 + 100

Combine like terms: -4 + 100 = 96
20a = 96

Divide each side by '20'.
a = 4.8

Simplifying
a = 4.8

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