Answer:
I think its x=2 sorry if im wrong
Step-by-step explanation:
14.
4(5.6) = 4(6.0 - 0.4) = 4(6.0) - 4(0.4) = 22.4
16.
4(6 + 7) = 4(6) + 4(7) = 52
18.
14(10 - 5) = 14(10) - 14(5) = 70
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➷ 3x + 1 = 511
Subtract 1 from both sides:
3x = 510
Divide both sides by 3:
x = 170
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The correct answer is 523.33 mm^3
//p.s I already took the test and this was the correct answer//
hope I helped :)
