3a+.84=5a

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Solution for 3a+.84=5a equation:


Simplifying
3a + 0.84 = 5a

Reorder the terms:
0.84 + 3a = 5a

Solving
0.84 + 3a = 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
0.84 + 3a + -5a = 5a + -5a

Combine like terms: 3a + -5a = -2a
0.84 + -2a = 5a + -5a

Combine like terms: 5a + -5a = 0
0.84 + -2a = 0

Add '-0.84' to each side of the equation.
0.84 + -0.84 + -2a = 0 + -0.84

Combine like terms: 0.84 + -0.84 = 0.00
0.00 + -2a = 0 + -0.84
-2a = 0 + -0.84

Combine like terms: 0 + -0.84 = -0.84
-2a = -0.84

Divide each side by '-2'.
a = 0.42

Simplifying
a = 0.42

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