7.4a+2.21=-13.33

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Solution for 7.4a+2.21=-13.33 equation: 


Simplifying
7.4a + 2.21 = -13.33

Reorder the terms:
2.21 + 7.4a = -13.33

Solving
2.21 + 7.4a = -13.33

Solving for variable 'a'.

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

Add '-2.21' to each side of the equation.
2.21 + -2.21 + 7.4a = -13.33 + -2.21

Combine like terms: 2.21 + -2.21 = 0.00
0.00 + 7.4a = -13.33 + -2.21
7.4a = -13.33 + -2.21

Combine like terms: -13.33 + -2.21 = -15.54
7.4a = -15.54

Divide each side by '7.4'.
a = -2.1

Simplifying
a = -2.1

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