2+5(2a+4b)-3a=

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Solution for 2+5(2a+4b)-3a= equation:


Simplifying
2 + 5(2a + 4b) + -3a = 0
2 + (2a * 5 + 4b * 5) + -3a = 0
2 + (10a + 20b) + -3a = 0

Reorder the terms:
2 + 10a + -3a + 20b = 0

Combine like terms: 10a + -3a = 7a
2 + 7a + 20b = 0

Solving
2 + 7a + 20b = 0

Solving for variable 'a'.

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

Add '-2' to each side of the equation.
2 + 7a + -2 + 20b = 0 + -2

Reorder the terms:
2 + -2 + 7a + 20b = 0 + -2

Combine like terms: 2 + -2 = 0
0 + 7a + 20b = 0 + -2
7a + 20b = 0 + -2

Combine like terms: 0 + -2 = -2
7a + 20b = -2

Add '-20b' to each side of the equation.
7a + 20b + -20b = -2 + -20b

Combine like terms: 20b + -20b = 0
7a + 0 = -2 + -20b
7a = -2 + -20b

Divide each side by '7'.
a = -0.2857142857 + -2.857142857b

Simplifying
a = -0.2857142857 + -2.857142857b

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