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Rashid [163]
3 years ago
14

Solve 8=3r-1 step by step

Mathematics
2 answers:
notsponge [240]3 years ago
8 0
Hi,

Again, we're going to be following the same format we did last time, but the sides of the equation have been swapped. Let's not worry about this, as it doesn't exactly make a difference.

Since 1 is negative, we must add it on both sides.

<em>8 + 1 = 3r - 1 + 1
</em>
<em>9 = 3r
</em>
<em />Now, we have 3 which is multiplying our variable r. The inverse of multiplication is division, so we will divide both sides by 3. This will leave us with our answer.

<em>9 / 3 = 3r / 3
</em>
<em>3 = r </em>or <em>r = 3.
</em>
Hopefully, this helps.
tatuchka [14]3 years ago
7 0
1+8=3r
9=3r
Both divided by 3
3=r
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