Simplify the Algebraic Expression

Question

7-2[3(2x-5) - (5x+3)]

Answer 1

Just follow BEDMAS or whatever acronym you learned
7-2[3(2x-5) - (5x+3)]
= 7-2[6x - 15 - 5x-3]
= 7-2[x - 18]
= 7 - 2x + 36
= ....