Respuesta :
−2.8
Okay so "0.9x-1.3=-3.1" x=-2
0.9x−1.3=−3.1
add 1.3 to both sides
0.9x−1.3+1.3=−3.1+1.3
0.9x=−1.8
divide both sides by 0.9
0.9x/0.9=−1.8/0.9
x=−2
So if you plug in -2 into "x-0.8" you get −2.8
=−2−0.8
=−2-0.8
=−2.8
Hope this helps.
Okay so "0.9x-1.3=-3.1" x=-2
0.9x−1.3=−3.1
add 1.3 to both sides
0.9x−1.3+1.3=−3.1+1.3
0.9x=−1.8
divide both sides by 0.9
0.9x/0.9=−1.8/0.9
x=−2
So if you plug in -2 into "x-0.8" you get −2.8
=−2−0.8
=−2-0.8
=−2.8
Hope this helps.
