Question

When 0.3(4x – 8) – 0.5(–2.4x + 4) is simplified, what is the resulting expression?

Answer 1

=0.3(4x-8)-0.5(-2.4x+4)
=1.2x-2.4-0.5(-2.4x+4)
=1.2x-2.4+1.2x-2
=2.4x-4.4

Answer 2

The resulting expression for x when the algebraic expression is simplified is 2.4x - 4.4

What is the simplification of an algebraic expression?

The simplification of algebraic expressions follows an approach where we aim to solve for the unknown variables of the algebraic expression.

From the given algebraic expression, we have:

0.3(4x – 8) – 0.5(–2.4x + 4)

• Open brackets

1.2x - 2.4 + 1.2x - 2

• Collect like terms

1.2x + 1.2x = 2.4 + 2

2.4x = 4.4

2.4x - 4.4

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