Answer:
x = [tex]\frac{16+b-4a}{4}[/tex]
Step-by-step explanation:
4(a + x) - b = 16 ( add b to both sides )
4(a + x) = 16 + b ← distribute parenthesis on left side
4a + 4x = 16 + b ( subtract 4a from both sides )
4x = 16 + b - 4a ( divide both sides by 4 )
x = [tex]\frac{16+b-4a}{4}[/tex]
