9$ for three cans then 9/3= 3 $ per can
57 + x + x + 130 = 167
57 + 2x + 130 = 167
187 + 2x = 167
- 187 - 187
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2x = -20
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2 2
x = -10
Answer:
Answer is – 3
Step-by-step explanation:
expand the expression using ( a – b) ( a + b) = a² –b²
( 3 ) ² – ( 6) ² *remember to place your square roots inside the brackets my phone doesn't have one*
then simplify the radical
3–6 = – 3
