4-0.8(3a+4)=7

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Solution for 4-0.8(3a+4)=7 equation:


Simplifying
4 + -0.8(3a + 4) = 7

Reorder the terms:
4 + -0.8(4 + 3a) = 7
4 + (4 * -0.8 + 3a * -0.8) = 7
4 + (-3.2 + -2.4a) = 7

Combine like terms: 4 + -3.2 = 0.8
0.8 + -2.4a = 7

Solving
0.8 + -2.4a = 7

Solving for variable 'a'.

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

Add '-0.8' to each side of the equation.
0.8 + -0.8 + -2.4a = 7 + -0.8

Combine like terms: 0.8 + -0.8 = 0.0
0.0 + -2.4a = 7 + -0.8
-2.4a = 7 + -0.8

Combine like terms: 7 + -0.8 = 6.2
-2.4a = 6.2

Divide each side by '-2.4'.
a = -2.583333333

Simplifying
a = -2.583333333

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