To solve for x, you need to isolate/get x by itself in the equation:
Square ² both sides to get rid of the square root √
x - 2 = 0 Add 2 on both sides
x - 2 + 2 = 0 + 2
x = 2
Penny says there are 4 ways to make 26. Is she correct? Using only 10's & 1's
2 answers:
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