11.3x + 7.2 = 86.3

7 answers

A.0.7
B.7
C.8
D.8.3
11.3 x + 7.2 = 86.3

Subtract 7.2 to both sides

11.3 x + 7.2 - 7.2 = 86.3 - 7.2

11.3 x = 79.1

Divide both sides by 11.3

x = 79.1 / 11.3

x = 7
11.3x + 7.2 = 86.3

Subtract 7.2 from both sides. Then solve for x.
thanks
so what is the answer
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