How to turn y=7x-3 into standard form

3x + 4y = 5 x- 3y = -7 solve by substitution

My hour hand points between the 8 and the 9 in 35 minutes it will be the next hour. what time is it ?

Use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2 + 9 = −26 −3 − 7 = 13