10a+53=2a+21

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Solution for 10a+53=2a+21 equation:


Simplifying
10a + 53 = 2a + 21

Reorder the terms:
53 + 10a = 2a + 21

Reorder the terms:
53 + 10a = 21 + 2a

Solving
53 + 10a = 21 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
53 + 10a + -2a = 21 + 2a + -2a

Combine like terms: 10a + -2a = 8a
53 + 8a = 21 + 2a + -2a

Combine like terms: 2a + -2a = 0
53 + 8a = 21 + 0
53 + 8a = 21

Add '-53' to each side of the equation.
53 + -53 + 8a = 21 + -53

Combine like terms: 53 + -53 = 0
0 + 8a = 21 + -53
8a = 21 + -53

Combine like terms: 21 + -53 = -32
8a = -32

Divide each side by '8'.
a = -4

Simplifying
a = -4

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