7=8a-16a

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Solution for 7=8a-16a equation:


Simplifying
7 = 8a + -16a

Combine like terms: 8a + -16a = -8a
7 = -8a

Solving
7 = -8a

Solving for variable 'a'.

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

Add '8a' to each side of the equation.
7 + 8a = -8a + 8a

Combine like terms: -8a + 8a = 0
7 + 8a = 0

Add '-7' to each side of the equation.
7 + -7 + 8a = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 8a = 0 + -7
8a = 0 + -7

Combine like terms: 0 + -7 = -7
8a = -7

Divide each side by '8'.
a = -0.875

Simplifying
a = -0.875

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