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den301095 [7]
3 years ago
15

Seven more than twice his age is 51 in algaebric expression

Mathematics
2 answers:
kozerog [31]3 years ago
8 0
7 + 2x = 51

hope this helps
Alborosie3 years ago
5 0
The algebraic expression is 2x+7=51

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How many solutions does the equation 9x-3(x+8)=6x-24
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Simplifying
9x + -3(x + 8) = 6x + -24

Reorder the terms:
9x + -3(8 + x) = 6x + -24
9x + (8 * -3 + x * -3) = 6x + -24
9x + (-24 + -3x) = 6x + -24

Reorder the terms:
-24 + 9x + -3x = 6x + -24

Combine like terms: 9x + -3x = 6x
-24 + 6x = 6x + -24

Reorder the terms:
-24 + 6x = -24 + 6x

Add '24' to each side of the equation.
-24 + 24 + 6x = -24 + 24 + 6x

Combine like terms: -24 + 24 = 0
0 + 6x = -24 + 24 + 6x
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Combine like terms: -24 + 24 = 0
6x = 0 + 6x
6x = 6x

Add '-6x' to each side of the equation.
6x + -6x = 6x + -6x

Combine like terms: 6x + -6x = 0
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Combine like terms: 6x + -6x = 0
0 = 0

Solving
0 = 0
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