Answer
x = - 6
Work Step by Step
2.8x+ 3.4 =-13.4
2.8x+ 3.4 -3.4 =-13.4 - 3.4
2.8x =-16.8
$\frac{2.8x}{2.8}$=$\frac{-16.8}{2.8}$
x = -6
Check
Replace x with -6
2.8x+ 3.4 =-13.4
2.8(-6)+ 3.4 =-13.4
-16.8 + 3.4 =-13.4
-13.4 = -13.4
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