Réponse :
Step 1: Simplify both sides of the equation.
3x+4=3(x+3)−5
3x+4=(3)(x)+(3)(3)+−5(Distribute)
3x+4=3x+9+−5
3x+4=(3x)+(9+−5)(Combine Like Terms)
3x+4=3x+4
3x+4=3x+4
Step 2: Subtract 3x from both sides.
3x+4−3x=3x+4−3x
4=4
Step 3: Subtract 4 from both sides.
4−4=4−4
0=0
Explications étape par étape :