31+3a=4(7a+5)

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Solution for 31+3a=4(7a+5) equation:


Simplifying
31 + 3a = 4(7a + 5)

Reorder the terms:
31 + 3a = 4(5 + 7a)
31 + 3a = (5 * 4 + 7a * 4)
31 + 3a = (20 + 28a)

Solving
31 + 3a = 20 + 28a

Solving for variable 'a'.

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

Add '-28a' to each side of the equation.
31 + 3a + -28a = 20 + 28a + -28a

Combine like terms: 3a + -28a = -25a
31 + -25a = 20 + 28a + -28a

Combine like terms: 28a + -28a = 0
31 + -25a = 20 + 0
31 + -25a = 20

Add '-31' to each side of the equation.
31 + -31 + -25a = 20 + -31

Combine like terms: 31 + -31 = 0
0 + -25a = 20 + -31
-25a = 20 + -31

Combine like terms: 20 + -31 = -11
-25a = -11

Divide each side by '-25'.
a = 0.44

Simplifying
a = 0.44

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