Bonjour,
a. 2 * (x + 3) = 2 * x + 2 * 3 = 2x + 6
b. 5 * (7 - y) = 5 * 7 - 5 * y = 35 - 5y
c. 6 (x + 11) = 6 * x + 6 * 11 = 6x + 66
d. 3 (2y + 1) = 3 * 2y + 3 * 1 = 6y + 3
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Bonjour,
a. 2 * (x + 3) = 2 * x + 2 * 3 = 2x + 6
b. 5 * (7 - y) = 5 * 7 - 5 * y = 35 - 5y
c. 6 (x + 11) = 6 * x + 6 * 11 = 6x + 66
d. 3 (2y + 1) = 3 * 2y + 3 * 1 = 6y + 3