2.9=-13.6a-3.5(-4a-1)

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Solution for 2.9=-13.6a-3.5(-4a-1) equation:


Simplifying
2.9 = -13.6a + -3.5(-4a + -1)

Reorder the terms:
2.9 = -13.6a + -3.5(-1 + -4a)
2.9 = -13.6a + (-1 * -3.5 + -4a * -3.5)
2.9 = -13.6a + (3.5 + 14a)

Reorder the terms:
2.9 = 3.5 + -13.6a + 14a

Combine like terms: -13.6a + 14a = 0.4a
2.9 = 3.5 + 0.4a

Solving
2.9 = 3.5 + 0.4a

Solving for variable 'a'.

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

Add '-0.4a' to each side of the equation.
2.9 + -0.4a = 3.5 + 0.4a + -0.4a

Combine like terms: 0.4a + -0.4a = 0.0
2.9 + -0.4a = 3.5 + 0.0
2.9 + -0.4a = 3.5

Add '-2.9' to each side of the equation.
2.9 + -2.9 + -0.4a = 3.5 + -2.9

Combine like terms: 2.9 + -2.9 = 0.0
0.0 + -0.4a = 3.5 + -2.9
-0.4a = 3.5 + -2.9

Combine like terms: 3.5 + -2.9 = 0.6
-0.4a = 0.6

Divide each side by '-0.4'.
a = -1.5

Simplifying
a = -1.5

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