3.5a-4.2=4.7a

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Solution for 3.5a-4.2=4.7a equation:


Simplifying
3.5a + -4.2 = 4.7a

Reorder the terms:
-4.2 + 3.5a = 4.7a

Solving
-4.2 + 3.5a = 4.7a

Solving for variable 'a'.

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

Add '-4.7a' to each side of the equation.
-4.2 + 3.5a + -4.7a = 4.7a + -4.7a

Combine like terms: 3.5a + -4.7a = -1.2a
-4.2 + -1.2a = 4.7a + -4.7a

Combine like terms: 4.7a + -4.7a = 0.0
-4.2 + -1.2a = 0.0

Add '4.2' to each side of the equation.
-4.2 + 4.2 + -1.2a = 0.0 + 4.2

Combine like terms: -4.2 + 4.2 = 0.0
0.0 + -1.2a = 0.0 + 4.2
-1.2a = 0.0 + 4.2

Combine like terms: 0.0 + 4.2 = 4.2
-1.2a = 4.2

Divide each side by '-1.2'.
a = -3.5

Simplifying
a = -3.5

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