Who was the English mathematics who first used the modern symbol of equality in 1557? R (-65) + (-20). C 30 + (-20 B 38 + (-15). D (110) + (-75) O 45 +(-20). T (16) + (-38) E (78) + (-15). E (-75) + (20)
Robert Recorde was a Welsh physician and mathematician. He invented the equals sign and also introduced the pre-existing plus sign to English speakers in 1557.