98=7*a+b*28

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Solution for 98=7*a+b*28 equation:


Simplifying
98 = 7a + b * 28

Reorder the terms for easier multiplication:
98 = 7a + 28b

Solving
98 = 7a + 28b

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
98 + -7a = 7a + -7a + 28b

Combine like terms: 7a + -7a = 0
98 + -7a = 0 + 28b
98 + -7a = 28b

Add '-98' to each side of the equation.
98 + -98 + -7a = -98 + 28b

Combine like terms: 98 + -98 = 0
0 + -7a = -98 + 28b
-7a = -98 + 28b

Divide each side by '-7'.
a = 14 + -4b

Simplifying
a = 14 + -4b

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