PLEASE HURRY
Solve for x. 2x+5=4+9

Of the ones listed here, the factor that had the greatest impact on the eventual destruction of native americans' ways of life was the development of the a) automobile. b) highway. c) railroad. d) steamboat.

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

If mary had 320 toy cars and she gave her friend 50 cars and then she gave her brother 72 more cars how much toy cars would mary have left ● explain with proper details