Question

How do you work these out with explanation please x

Answer 1

Answer:

a) Multiply 2 with the terms in the brackets;

2x + 6 = x - 4

Like previously, move all x terms to one side of the equation;

2x - x = -4 -6

x = -10

b) Multiply 2 with the terms in the brackets;

20x - 8 = 18x + 6

Move all x terms to one side of the equation;

20x - 18x = 6 +8

2x = 14

x = 14/2

x = 7

Hope this helps :)

Answer 2

1. 2 (x + 3) = x - 4
2x + 6 = x- 4
2x - x = -4 - 6
x = -4 + -6 = -10.
x = 10
2. 4 (5x - 2) = 2 (9x + 3)
20x - 8 = 18x + 3
20x - 18x = 3 + 8
2x = 11
x = 11/2 = 5.5
x = 11/2 or 5.5
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