10a+4=7a+31

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Solution for 10a+4=7a+31 equation:


Simplifying
10a + 4 = 7a + 31

Reorder the terms:
4 + 10a = 7a + 31

Reorder the terms:
4 + 10a = 31 + 7a

Solving
4 + 10a = 31 + 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
4 + 10a + -7a = 31 + 7a + -7a

Combine like terms: 10a + -7a = 3a
4 + 3a = 31 + 7a + -7a

Combine like terms: 7a + -7a = 0
4 + 3a = 31 + 0
4 + 3a = 31

Add '-4' to each side of the equation.
4 + -4 + 3a = 31 + -4

Combine like terms: 4 + -4 = 0
0 + 3a = 31 + -4
3a = 31 + -4

Combine like terms: 31 + -4 = 27
3a = 27

Divide each side by '3'.
a = 9

Simplifying
a = 9

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