Question

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Answer 1

g) 2x + 12 = 4 => 2x = 4-12 => 2x = -8 => x= -8/2=> x = -4

h) 2x + 23 = -9 => 2x = -9 -23 => 2x= -32=> x=-32/2 => x = -16

i) 6-4x = 14 => -4x = 14-6 => -4x = 8 => -x = 8/4 => -x = 2 | • (-1) => x= -2

j) -2x + 9 = 31 => -2x = 31-9 => -2x= 22 => -x= 22/2 => -x = 11 | • (-1) => x= 11

k) 4+3x = -68=> 3x= -68 - 4 => 3x = -72 => x= -72/3 => x= -24

l) 9x - 6 = -78 => 9x = -78 + 6 => 9x= -72 => x= -72/9 => x= -8