Réponse:
-5/2 or -2.5
Explications étape par étape:
1.Move the variable to the left hand-side and change it's sign : -7x-3+5x=2
2.Move the constant to the right-hand side and change it's sign: -7x+5x=2+3
3.Collect like terms: -2x=2+3
then add the numbers : -2x=5
4.Divide both sides of the equation by -2
i hope it helped you
