Mathematics, 08.07.2021 18:30 lisaboden1701
Mark is solving the following system.
Step 1: He multiplies equation (1) by 7 and adds it to equation (3). Step 2: He multiplies equation (3) by 2 and adds it to equation (2). Which statement explains Mark’s mistake?
A. He added equation (3) instead of equation (2) in step 1.
B. He did not multiply equation (3) by the same number as equation (1).
C. He did not eliminate the same variables in steps 1 and 2.
D. He added equation the equations in step instead of subtracting them.
Answers: 3
Mathematics, 21.06.2019 21:00, Woodlandgirl14
Can some one explain how to slove specifically, what is the value of x? 0.9(x+1.4)-2.3+0.1x=1.6 enter the answer as a decimal in the box. x= ?
Answers: 2
Mathematics, 21.06.2019 21:10, benallyadam2067
Hey free points ! people i have a few math questions on my profile consider looking at them i have to get done in 30 mins!
Answers: 1
Mark is solving the following system.
Step 1: He multiplies equation (1) by 7 and adds it to equati...
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