2x + 7 = 15
What does x equal?

Anyone know? will mark brainliest if you're correct!

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

The graph of h(x)= |x-10| +6 is shown. on which interval is this graph increasing