0.2a-4-0.3a=0.7a+2

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Solution for 0.2a-4-0.3a=0.7a+2 equation:


Simplifying
0.2a + -4 + -0.3a = 0.7a + 2

Reorder the terms:
-4 + 0.2a + -0.3a = 0.7a + 2

Combine like terms: 0.2a + -0.3a = -0.1a
-4 + -0.1a = 0.7a + 2

Reorder the terms:
-4 + -0.1a = 2 + 0.7a

Solving
-4 + -0.1a = 2 + 0.7a

Solving for variable 'a'.

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

Add '-0.7a' to each side of the equation.
-4 + -0.1a + -0.7a = 2 + 0.7a + -0.7a

Combine like terms: -0.1a + -0.7a = -0.8a
-4 + -0.8a = 2 + 0.7a + -0.7a

Combine like terms: 0.7a + -0.7a = 0.0
-4 + -0.8a = 2 + 0.0
-4 + -0.8a = 2

Add '4' to each side of the equation.
-4 + 4 + -0.8a = 2 + 4

Combine like terms: -4 + 4 = 0
0 + -0.8a = 2 + 4
-0.8a = 2 + 4

Combine like terms: 2 + 4 = 6
-0.8a = 6

Divide each side by '-0.8'.
a = -7.5

Simplifying
a = -7.5

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