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nordsb [41]
3 years ago
7

What is the solution to –2|2.2x – 3.3| = –6.6? x = –3 x = 3 x = –3 or x = 0 x = 0 or x = 3

Mathematics
2 answers:
Nonamiya [84]3 years ago
6 0

x = 3

-2 | 2.2(3) -3.3 | = -6.6

-2 | 6.6 - 3.3 | = -6.6

-2 | 3.3 | = -6.6

-2 * 3.3 = -6.6

-6.6 = -6.6

Papessa [141]3 years ago
4 0

we have

-2\left|2.2x-3.3\right|=-6.6

Step 1

Find the first solution

<u>the first solution</u> is when the term contained in the absolute value is positive

-2[(2.2x-3.3)]=-6.6

solve for x

-4.4x+6.6=-6.6\\-4.4x=-6.6-6.6 \\ -4.4x=-13.2\\x=3

Step 2

Find the second solution

<u>the second solution</u> is when the term contained in the absolute value is negative

-2[-(2.2x-3.3)]=-6.6

solve for x

4.4x-6.6=-6.6\\ 4.4x=0\\x=0

therefore

<u>the answer is</u>

x = 0 or x = 3

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