.8a+.2=.4a+.7

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Solution for .8a+.2=.4a+.7 equation:


Simplifying
0.8a + 0.2 = 0.4a + 0.7

Reorder the terms:
0.2 + 0.8a = 0.4a + 0.7

Reorder the terms:
0.2 + 0.8a = 0.7 + 0.4a

Solving
0.2 + 0.8a = 0.7 + 0.4a

Solving for variable 'a'.

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

Add '-0.4a' to each side of the equation.
0.2 + 0.8a + -0.4a = 0.7 + 0.4a + -0.4a

Combine like terms: 0.8a + -0.4a = 0.4a
0.2 + 0.4a = 0.7 + 0.4a + -0.4a

Combine like terms: 0.4a + -0.4a = 0.0
0.2 + 0.4a = 0.7 + 0.0
0.2 + 0.4a = 0.7

Add '-0.2' to each side of the equation.
0.2 + -0.2 + 0.4a = 0.7 + -0.2

Combine like terms: 0.2 + -0.2 = 0.0
0.0 + 0.4a = 0.7 + -0.2
0.4a = 0.7 + -0.2

Combine like terms: 0.7 + -0.2 = 0.5
0.4a = 0.5

Divide each side by '0.4'.
a = 1.25

Simplifying
a = 1.25

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