Help me!7 + x = 21x = ?
Solve for x:-7 + x = 21x = ?Inverse operation21 - 7 = x21 - 7 = 14x ⇒ 14Check:-7 + x = 21x ⇒ 147 + 14 = 21Yes, correct!x ⇒ 14
The anawer should be 14 because 7+14=21