2-0.3(a-10)=0.8(8a-10)

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Solution for 2-0.3(a-10)=0.8(8a-10) equation:


Simplifying
2 + -0.3(a + -10) = 0.8(8a + -10)

Reorder the terms:
2 + -0.3(-10 + a) = 0.8(8a + -10)
2 + (-10 * -0.3 + a * -0.3) = 0.8(8a + -10)
2 + (3 + -0.3a) = 0.8(8a + -10)

Combine like terms: 2 + 3 = 5
5 + -0.3a = 0.8(8a + -10)

Reorder the terms:
5 + -0.3a = 0.8(-10 + 8a)
5 + -0.3a = (-10 * 0.8 + 8a * 0.8)
5 + -0.3a = (-8 + 6.4a)

Solving
5 + -0.3a = -8 + 6.4a

Solving for variable 'a'.

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

Add '-6.4a' to each side of the equation.
5 + -0.3a + -6.4a = -8 + 6.4a + -6.4a

Combine like terms: -0.3a + -6.4a = -6.7a
5 + -6.7a = -8 + 6.4a + -6.4a

Combine like terms: 6.4a + -6.4a = 0.0
5 + -6.7a = -8 + 0.0
5 + -6.7a = -8

Add '-5' to each side of the equation.
5 + -5 + -6.7a = -8 + -5

Combine like terms: 5 + -5 = 0
0 + -6.7a = -8 + -5
-6.7a = -8 + -5

Combine like terms: -8 + -5 = -13
-6.7a = -13

Divide each side by '-6.7'.
a = 1.940298507

Simplifying
a = 1.940298507

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