Step-by-step explanation:
[tex]\tt{2(x+1.25)=3.5 }[/tex] ⠀
[tex]\tt{ 2x+2.5=3.5 }[/tex] ⠀
[tex]\tt{ 2x=3.5-2.5 }[/tex] ⠀
[tex]\tt{2x=1 }[/tex] ⠀
[tex]\tt{ x=\dfrac{1}{2}=0.5 }[/tex] ⠀
