.2(a-1)-5a=7

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Solution for .2(a-1)-5a=7 equation:


Simplifying
0.2(a + -1) + -5a = 7

Reorder the terms:
0.2(-1 + a) + -5a = 7
(-1 * 0.2 + a * 0.2) + -5a = 7
(-0.2 + 0.2a) + -5a = 7

Combine like terms: 0.2a + -5a = -4.8a
-0.2 + -4.8a = 7

Solving
-0.2 + -4.8a = 7

Solving for variable 'a'.

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

Add '0.2' to each side of the equation.
-0.2 + 0.2 + -4.8a = 7 + 0.2

Combine like terms: -0.2 + 0.2 = 0.0
0.0 + -4.8a = 7 + 0.2
-4.8a = 7 + 0.2

Combine like terms: 7 + 0.2 = 7.2
-4.8a = 7.2

Divide each side by '-4.8'.
a = -1.5

Simplifying
a = -1.5

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