Question

1. Subtract:
(a) 2.x from 7x
(d) - 2xy from o
(b) -5a from -2a
(e) - Scd from Scd
breyressi​

Answer 1

Answer:

$a) 7x - 2x = 5x\\b) 0 - (-2xy) = 2xy\\c) -2a - (-5a) = -2a + 5a = 3a\\d) scd - (-scd) = 2scd$

Step-by-step explanation:

All of the above has been done using the following:

- x + = -

- x - = +

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