He forgot to change ALL the sign inside the bracket.
It should read:
10x-8x-12y+3y=2x-9y
Answer:
94.2
Step-by-step explanation:
Answer:
you mulitple the two bottomz by the other number
example 3/4 and 2/8
8 is a common mulitple so 3/4 becomes 6/8 and now they have common denominators
Step-by-step explanation:
example 3/4 and 2/8
8 is a common mulitple so 3/4 becomes 6/8 and now they have common denominators
and the numerator gets multipled with the same number as the denominator
<em>Newton's third law states that if object A exerts a force on object B, object B must respond with a force of equal size and in the opposite direction. This law reflects nature's symmetry: forces always exist in pairs, and one body cannot exert a force on another without experiencing one.</em>
<em></em>
<em>The distributive property of multiplication over addition can be used when you multiply a number by a sum. For example, suppose you want to multiply 3 by the sum of 10 + 2. 3(10 + 2) = ? According to this property, you can add the numbers and then multiply by 3.</em>
<em></em>
<em></em>
Answer:
34
Step-by-step explanation: