3a+1.8=4a-6.6

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Solution for 3a+1.8=4a-6.6 equation:


Simplifying
3a + 1.8 = 4a + -6.6

Reorder the terms:
1.8 + 3a = 4a + -6.6

Reorder the terms:
1.8 + 3a = -6.6 + 4a

Solving
1.8 + 3a = -6.6 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
1.8 + 3a + -4a = -6.6 + 4a + -4a

Combine like terms: 3a + -4a = -1a
1.8 + -1a = -6.6 + 4a + -4a

Combine like terms: 4a + -4a = 0
1.8 + -1a = -6.6 + 0
1.8 + -1a = -6.6

Add '-1.8' to each side of the equation.
1.8 + -1.8 + -1a = -6.6 + -1.8

Combine like terms: 1.8 + -1.8 = 0.0
0.0 + -1a = -6.6 + -1.8
-1a = -6.6 + -1.8

Combine like terms: -6.6 + -1.8 = -8.4
-1a = -8.4

Divide each side by '-1'.
a = 8.4

Simplifying
a = 8.4

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