q+98=21q-42

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Solution for q+98=21q-42 equation:


Simplifying
q + 98 = 21q + -42

Reorder the terms:
98 + q = 21q + -42

Reorder the terms:
98 + q = -42 + 21q

Solving
98 + q = -42 + 21q

Solving for variable 'q'.

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

Add '-21q' to each side of the equation.
98 + q + -21q = -42 + 21q + -21q

Combine like terms: q + -21q = -20q
98 + -20q = -42 + 21q + -21q

Combine like terms: 21q + -21q = 0
98 + -20q = -42 + 0
98 + -20q = -42

Add '-98' to each side of the equation.
98 + -98 + -20q = -42 + -98

Combine like terms: 98 + -98 = 0
0 + -20q = -42 + -98
-20q = -42 + -98

Combine like terms: -42 + -98 = -140
-20q = -140

Divide each side by '-20'.
q = 7

Simplifying
q = 7

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