98=7a+3(a+6)

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Solution for 98=7a+3(a+6) equation:


Simplifying
98 = 7a + 3(a + 6)

Reorder the terms:
98 = 7a + 3(6 + a)
98 = 7a + (6 * 3 + a * 3)
98 = 7a + (18 + 3a)

Reorder the terms:
98 = 18 + 7a + 3a

Combine like terms: 7a + 3a = 10a
98 = 18 + 10a

Solving
98 = 18 + 10a

Solving for variable 'a'.

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

Add '-10a' to each side of the equation.
98 + -10a = 18 + 10a + -10a

Combine like terms: 10a + -10a = 0
98 + -10a = 18 + 0
98 + -10a = 18

Add '-98' to each side of the equation.
98 + -98 + -10a = 18 + -98

Combine like terms: 98 + -98 = 0
0 + -10a = 18 + -98
-10a = 18 + -98

Combine like terms: 18 + -98 = -80
-10a = -80

Divide each side by '-10'.
a = 8

Simplifying
a = 8

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