a-(-3.7)=-9.8

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Solution for a-(-3.7)=-9.8 equation: 


Simplifying
a + -1(-3.7) = -9.8

Multiply -1 * -3.7
a + 3.7 = -9.8

Reorder the terms:
3.7 + a = -9.8

Solving
3.7 + a = -9.8

Solving for variable 'a'.

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

Add '-3.7' to each side of the equation.
3.7 + -3.7 + a = -9.8 + -3.7

Combine like terms: 3.7 + -3.7 = 0.0
0.0 + a = -9.8 + -3.7
a = -9.8 + -3.7

Combine like terms: -9.8 + -3.7 = -13.5
a = -13.5

Simplifying
a = -13.5

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