4 years ago

How do I solve an equation like this, one with a negative in front of parentheses?

Mathematics

1 answer:

azamat4 years ago

3 0

The factor outside the parentheses is -1. Distribute using that factor.

2 - (4 - x) = 7x - 5x

-1 * 4 = -4 and -1 * -x = x

2 - 4 + x = 7x - 5x

Simplify.

-2 + x = 2x

x = 2x + 2

-x = 2

x = -2

<h3>Answer:</h3>

x = -2

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