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 :