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Sloan [31]
3 years ago
12

The question says; shown here is a mathematical step taken when solving an equation. Identify the mathematical reason or propert

y used to simplify from the first step to the second step.

Mathematics
2 answers:
Margaret [11]3 years ago
8 0
Subtraction property of equality
Alenkasestr [34]3 years ago
5 0
In this case, we subtracted 7 from both sides since the (+7) disappeared from the first side, and the 15 decreased to 8 (15-8=7).
So it's the subtraction property of equality.
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