7(a+7)=98

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Solution for 7(a+7)=98 equation: 


Simplifying
7(a + 7) = 98

Reorder the terms:
7(7 + a) = 98
(7 * 7 + a * 7) = 98
(49 + 7a) = 98

Solving
49 + 7a = 98

Solving for variable 'a'.

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

Add '-49' to each side of the equation.
49 + -49 + 7a = 98 + -49

Combine like terms: 49 + -49 = 0
0 + 7a = 98 + -49
7a = 98 + -49

Combine like terms: 98 + -49 = 49
7a = 49

Divide each side by '7'.
a = 7

Simplifying
a = 7

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