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Ierofanga [76]
3 years ago
7

PLEASE AID ME IN MY DESPAIR!

Mathematics
1 answer:
erica [24]3 years ago
7 0
A) $355 + $18x = $514 + $15x

B) $355 + $18x = $514 + $15x
355 -355 + 18x = 514 -355 + 15x
18x = 159 + 15x
18x-15x=159+15x-15x
3x = 159
3x/3=159/3
x = 53

C) $355 + $18(53) = $1309
$514 + $15(53)= $1309

D) You can check your answer by taking what x equals and plugging back into the original formula of $355+$18x=$514+$15x. Then solve making sure the left side equals the right side.

$355+$18x=$514+$15x
$355 + $18(53)=$514 + $15(53)
$1309 = $1309
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