7q-7q+2q-q-1=19

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Solution for 7q-7q+2q-q-1=19 equation:


Simplifying
7q + -7q + 2q + -1q + -1 = 19

Reorder the terms:
-1 + 7q + -7q + 2q + -1q = 19

Combine like terms: 7q + -7q = 0
-1 + 0 + 2q + -1q = 19
-1 + 2q + -1q = 19

Combine like terms: 2q + -1q = 1q
-1 + 1q = 19

Solving
-1 + 1q = 19

Solving for variable 'q'.

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

Add '1' to each side of the equation.
-1 + 1 + 1q = 19 + 1

Combine like terms: -1 + 1 = 0
0 + 1q = 19 + 1
1q = 19 + 1

Combine like terms: 19 + 1 = 20
1q = 20

Divide each side by '1'.
q = 20

Simplifying
q = 20

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