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olya-2409 [2.1K]
3 years ago
8

4(2x - 1) + 3 When x=6Evaluate​

Mathematics
2 answers:
Otrada [13]3 years ago
6 0

Answer:

4(2x - 1) + 3  = 8x - 4 + 3 \\  = 8(6) - 4 + 3 \\  = 48 - 4 + 3 \\  = 47

I hope I helped you^_^

UkoKoshka [18]3 years ago
4 0

Answer: 47

Concept:

Here, we need to understand the idea of evaluation.  

When encountering questions that gave you an expression with variables, then stated: "If x = a, y = b, z = c" (a, b, c are all constants), this means you should substitute the value given for each variable back to the expression.

Solve:

<u>Given information</u>

x = 6

<u>Given expression</u>

4 (2x - 1) + 3

<u>Substitute values into the expression</u>

=4 [2 (6) - 1] + 3

<u>Simplify by multiplication</u>

=4 (12 - 1) + 3

<u>Simplify by subtraction</u>

=4 (11) + 3

<u>Simplify by multiplication</u>

=44 + 3

<u>Simplify by addition</u>

=\boxed{47}

Hope this helps!! :)

Please let me know if you have any questions

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