Which equation is an identity? 3(x – 1) = x + 2(x + 1) + 1 x – 4(x + 1) = –3(x + 1) + 1 2x + 3 = 1/2 (4x + 2) + 2 1/3 (6x – 3) = 3(x + 1) – x – 2

For this case we have that an identity is an equation in which the left side of the equation is equal to the right side of the equation.

We then have the following equation:

When applying the distributive property on the right side we have:

Rewriting we have:

We observe that both sides are equal. Therefore, the equation is an identity.

Option C

x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x

step-by-step explanation:

last month maria hiked the 5-mile mountain trail a number of times and she hiked the 10-mile canal trail several times. let x represent the number of times she hiked the 5-mile trail, and let y represent the number of times she hiked the 10-mile trail. if she hiked a total of 90 miles, which equation can be used to find the number of times maria hiked each trail? x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x

a orange at the grocery store idk what other product that could be