7q+2[q-1]=7

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Solution for 7q+2[q-1]=7 equation:


Simplifying
7q + 2[q + -1] = 7

Reorder the terms:
7q + 2[-1 + q] = 7
7q + [-1 * 2 + q * 2] = 7
7q + [-2 + 2q] = 7

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

Combine like terms: 7q + 2q = 9q
-2 + 9q = 7

Solving
-2 + 9q = 7

Solving for variable 'q'.

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

Add '2' to each side of the equation.
-2 + 2 + 9q = 7 + 2

Combine like terms: -2 + 2 = 0
0 + 9q = 7 + 2
9q = 7 + 2

Combine like terms: 7 + 2 = 9
9q = 9

Divide each side by '9'.
q = 1

Simplifying
q = 1

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