10a-7=21-6a

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Solution for 10a-7=21-6a equation:


Simplifying
10a + -7 = 21 + -6a

Reorder the terms:
-7 + 10a = 21 + -6a

Solving
-7 + 10a = 21 + -6a

Solving for variable 'a'.

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

Add '6a' to each side of the equation.
-7 + 10a + 6a = 21 + -6a + 6a

Combine like terms: 10a + 6a = 16a
-7 + 16a = 21 + -6a + 6a

Combine like terms: -6a + 6a = 0
-7 + 16a = 21 + 0
-7 + 16a = 21

Add '7' to each side of the equation.
-7 + 7 + 16a = 21 + 7

Combine like terms: -7 + 7 = 0
0 + 16a = 21 + 7
16a = 21 + 7

Combine like terms: 21 + 7 = 28
16a = 28

Divide each side by '16'.
a = 1.75

Simplifying
a = 1.75

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