Math. :) Question: 1.1W + 2.1 = 5.4 Answer: W = 2.2 Is the answer correct? How do you check the answer? Thank you in advance!!

asked Nov 2, 2016 109k views

2 votes

Math. :)

Question: 1.1W + 2.1 = 5.4
Answer: W = 2.2

Is the answer correct? How do you check the answer?

Thank you in advance!!

by Eien

7.3k points

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3 votes

This is one-step equation.

$W+2.1=5.4 \\ W+2.1-2.1=5.4-2.1 \\ W=3.3 \\ CHECK- \\ 3.3+2.1=5.4$

Rbncha answered Nov 3, 2016

8.0k points

6 votes

$\sf~W+2.1=5.4$

Subtract 2.1 to both sides:

$\sf~W=3.3$

8.2k points

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