2a+3(7)=5

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Solution for 2a+3(7)=5 equation: 


Simplifying
2a + 3(7) = 5

Multiply 3 * 7
2a + 21 = 5

Reorder the terms:
21 + 2a = 5

Solving
21 + 2a = 5

Solving for variable 'a'.

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

Add '-21' to each side of the equation.
21 + -21 + 2a = 5 + -21

Combine like terms: 21 + -21 = 0
0 + 2a = 5 + -21
2a = 5 + -21

Combine like terms: 5 + -21 = -16
2a = -16

Divide each side by '2'.
a = -8

Simplifying
a = -8

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