7=b-(-7)

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Solution for 7=b-(-7) equation:


Simplifying
7 = b + -1(-7)

Multiply -1 * -7
7 = b + 7

Reorder the terms:
7 = 7 + b

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

Combine like terms: 7 + -7 = 0
0 = 7 + -7 + b

Combine like terms: 7 + -7 = 0
0 = 0 + b
0 = b

Solving
0 = b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
0 + -1b = b + -1b
Remove the zero:
-1b = b + -1b

Combine like terms: b + -1b = 0
-1b = 0

Divide each side by '-1'.
b = 0

Simplifying
b = 0

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