Please answer with steps I beg all please if you do so it will make my day
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2) 2x + 5 - x/5-4.2/5=2+x
= 2x-x/5-x = 2-4.2/5-5
=4x/5=-19.2/5
x = -19.2×5/5×4
x= -4.8
3)a.) 64x^2+144x+81y^2
b.) (0.6+0.9) (0.6-0.9)
=1.5 × (-0.3)
= 0.45
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