Answer:
x = 1
Step-by-step explanation:
Given the equation
15x + 7 = 12x + 10 ( subtract 12x from both sides )
3x + 7 = 10 ( subtract 7 from both sides )
3x = 10 - 7
3x = 3 ( divide both sides by 3 )
x = [tex]\frac{3}{3}[/tex]