Question

Write an equivalent expression by distributing the − sign outside the parentheses:

2b−(−0.5c−10)
a) 2b+0.5c+10
b) 2b−0.5c−10
c) −2b+0.5c+10
d) −2b−0.5c−10

Answer 1

To distribute the - sign outside the parentheses, multiply every term inside the parentheses by -1. The equivalent expression is 2b + 0.5c + 10.

Step-by-step explanation:

To distribute the - sign outside the parentheses, we need to multiply every term inside the parentheses by -1. This means the expression -(-0.5c-10) becomes -1 * -0.5c - 1 * -10. Simplifying this, we get 0.5c + 10. Therefore, the equivalent expression is 2b + 0.5c + 10. The correct answer is option a) 2b + 0.5c + 10