Any advice on how to solve linear equations? e. g. x-15=2

Yes! So for this equation the 15 and 2 are on opposite sides of the equation and x isn’t alone so you should add 15 to big side the -15 and +15 will go to zero and you would add 15+2 and then x=17

Do the math. she originally had 50 dollars on her gift card and she had 12 dollars left on her gift card after she finished her shopping spree. if you subtract 50 minus 12 you get thirty eight dollars as your answer. so therefore, ciara spent 38 dollars total o

Answer is either b or c