Question

9. Jules wrote the expression below, but the

Answer 1

Both expressions illustrate the use of algebraic expressions.

The missing term of -46x + 18 is 2

The expressions are given as:

-4(12x - 5) + 2x and -46x + 18

Let the first term of -46x + 18 be represented with variable y.

So, we have:

y -46x + 18

Equate both expressions

$-4(12x - 5) + 2x = y -46x + 18$

Open brackets

$-48x + 20 + 2x = y -46x + 18$

Collect like terms

$y = 46x - 48x + 2x + 20 - 18$

$y = 0 + 2$

$y = 2$

Hence, the missing term is 2

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