7a+4+8a=11-16

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Solution for 7a+4+8a=11-16 equation:


Simplifying
7a + 4 + 8a = 11 + -16

Reorder the terms:
4 + 7a + 8a = 11 + -16

Combine like terms: 7a + 8a = 15a
4 + 15a = 11 + -16

Combine like terms: 11 + -16 = -5
4 + 15a = -5

Solving
4 + 15a = -5

Solving for variable 'a'.

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

Add '-4' to each side of the equation.
4 + -4 + 15a = -5 + -4

Combine like terms: 4 + -4 = 0
0 + 15a = -5 + -4
15a = -5 + -4

Combine like terms: -5 + -4 = -9
15a = -9

Divide each side by '15'.
a = -0.6

Simplifying
a = -0.6

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