-3x+4=x+4 how many solutions?

Sheila wants to bake six muffins but the recipe is for 12 muffins . this means you only need half of the ingredients listed how much of the of each ingredient does she need? one cup and banana chips ,7 tablespoons oil , two eggs, 3/4 cups flour 1/4 cup walnuts show all you work and justify your answer using a baby toulmin.

Write the equation in logarithmic form 8^x=64

Solve for the equation. 4x - 13 = 2x + 9