7a+0.4=2(a-5)

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Solution for 7a+0.4=2(a-5) equation:


Simplifying
7a + 0.4 = 2(a + -5)

Reorder the terms:
0.4 + 7a = 2(a + -5)

Reorder the terms:
0.4 + 7a = 2(-5 + a)
0.4 + 7a = (-5 * 2 + a * 2)
0.4 + 7a = (-10 + 2a)

Solving
0.4 + 7a = -10 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
0.4 + 7a + -2a = -10 + 2a + -2a

Combine like terms: 7a + -2a = 5a
0.4 + 5a = -10 + 2a + -2a

Combine like terms: 2a + -2a = 0
0.4 + 5a = -10 + 0
0.4 + 5a = -10

Add '-0.4' to each side of the equation.
0.4 + -0.4 + 5a = -10 + -0.4

Combine like terms: 0.4 + -0.4 = 0.0
0.0 + 5a = -10 + -0.4
5a = -10 + -0.4

Combine like terms: -10 + -0.4 = -10.4
5a = -10.4

Divide each side by '5'.
a = -2.08

Simplifying
a = -2.08

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