2a-19=7a+31

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Solution for 2a-19=7a+31 equation:


Simplifying
2a + -19 = 7a + 31

Reorder the terms:
-19 + 2a = 7a + 31

Reorder the terms:
-19 + 2a = 31 + 7a

Solving
-19 + 2a = 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.
-19 + 2a + -7a = 31 + 7a + -7a

Combine like terms: 2a + -7a = -5a
-19 + -5a = 31 + 7a + -7a

Combine like terms: 7a + -7a = 0
-19 + -5a = 31 + 0
-19 + -5a = 31

Add '19' to each side of the equation.
-19 + 19 + -5a = 31 + 19

Combine like terms: -19 + 19 = 0
0 + -5a = 31 + 19
-5a = 31 + 19

Combine like terms: 31 + 19 = 50
-5a = 50

Divide each side by '-5'.
a = -10

Simplifying
a = -10

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