-11+4(2.1+a)=-0.8

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Solution for -11+4(2.1+a)=-0.8 equation:


Simplifying
-11 + 4(2.1 + a) = -0.8
-11 + (2.1 * 4 + a * 4) = -0.8
-11 + (8.4 + 4a) = -0.8

Combine like terms: -11 + 8.4 = -2.6
-2.6 + 4a = -0.8

Solving
-2.6 + 4a = -0.8

Solving for variable 'a'.

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

Add '2.6' to each side of the equation.
-2.6 + 2.6 + 4a = -0.8 + 2.6

Combine like terms: -2.6 + 2.6 = 0.0
0.0 + 4a = -0.8 + 2.6
4a = -0.8 + 2.6

Combine like terms: -0.8 + 2.6 = 1.8
4a = 1.8

Divide each side by '4'.
a = 0.45

Simplifying
a = 0.45

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