4=a+1.8

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Solution for 4=a+1.8 equation:


Simplifying
4 = a + 1.8

Reorder the terms:
4 = 1.8 + a

Solving
4 = 1.8 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
4 + -1a = 1.8 + a + -1a

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

Add '-4' to each side of the equation.
4 + -4 + -1a = 1.8 + -4

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

Combine like terms: 1.8 + -4 = -2.2
-1a = -2.2

Divide each side by '-1'.
a = 2.2

Simplifying
a = 2.2

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