0.3(1+a)=2.1

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Solution for 0.3(1+a)=2.1 equation: 


Simplifying
0.3(1 + a) = 2.1
(1 * 0.3 + a * 0.3) = 2.1
(0.3 + 0.3a) = 2.1

Solving
0.3 + 0.3a = 2.1

Solving for variable 'a'.

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

Add '-0.3' to each side of the equation.
0.3 + -0.3 + 0.3a = 2.1 + -0.3

Combine like terms: 0.3 + -0.3 = 0.0
0.0 + 0.3a = 2.1 + -0.3
0.3a = 2.1 + -0.3

Combine like terms: 2.1 + -0.3 = 1.8
0.3a = 1.8

Divide each side by '0.3'.
a = 6

Simplifying
a = 6

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