Answer:
x = 8
Explanation:
2x + 5 = 21
2x = 21 - 5
2x = 16
x = 16/2
2x+5=21
Step 1: Subtract 5 from both sides.
2x+5−5=21−5
2x=16
Step 2: Divide both sides by 2.
2x /2 = 16 /2
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