Use properties of operations to simplify this algebraic expression.

5 (x-4) + 3x-9x+7

step 1: rewrite the subtraction operations as addition of negative numbers.

step 2: use the distributive property.

step 3: use the commutative property of addition to reorder terms so that like terms are together.

step 4: use the associative property of addition to group like terms.

step 5: simplify.

Question

Mathematics

Cloe Hooper

10 November, 07:37

Use properties of operations to simplify this algebraic expression.

5 (x-4) + 3x-9x+7

step 1: rewrite the subtraction operations as addition of negative numbers.

step 2: use the distributive property.

step 3: use the commutative property of addition to reorder terms so that like terms are together.

step 4: use the associative property of addition to group like terms.

step 5: simplify.

+2

Answers (1)

Know the Answer?

Mireya Huff · Answer 1

x = - 27

Step-by-step explanation:

Apply the Distributive Property to 5 (x - 4) : 5x - 20.

Then we have 5x - 20 + 3x - 9x + 7.

Combining like terms, we get - x = 7 + 20 = 27, so that x = - 27.