NEED help Solving Two-Step Equations: What is the first step in solving the equation −4x − 16 = 20?
A. Multiply both sides of the equation by 4.
B. Divide both sides of the equation by −16.
C. Subtract 16 from both sides of the equation.
D. Add 16 to both sides of the equation.
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OpenStudy (aripotta):
what do you think it is?
OpenStudy (anonymous):
D.
OpenStudy (aripotta):
yup
OpenStudy (anonymous):
what about Solve 5c + 4 = −26
OpenStudy (aripotta):
first step is?
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OpenStudy (anonymous):
do i subtract both sides
OpenStudy (aripotta):
yea, you subtract 4 from both sides, what do you get after doing that?
OpenStudy (anonymous):
Im not sure
OpenStudy (aripotta):
what's -26 - 4?
OpenStudy (anonymous):
-30??
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OpenStudy (aripotta):
yes :) so 5c = -30. what now?
OpenStudy (anonymous):
divide 5c by 5 then -30 divided by 5?
OpenStudy (aripotta):
yes, which would give us c = ?
OpenStudy (anonymous):
5.2?
OpenStudy (aripotta):
5.2? where did that come from lol
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OpenStudy (anonymous):
6
OpenStudy (anonymous):
haha oops
OpenStudy (anonymous):
what about Solve: 5c − c + 10 = 34
OpenStudy (aripotta):
WAIT
OpenStudy (anonymous):
okay
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OpenStudy (aripotta):
a negative number divided by a positive number gives you a product that is negative or positive?
OpenStudy (aripotta):
quotient*
OpenStudy (anonymous):
Oh negative
OpenStudy (anonymous):
-6
OpenStudy (aripotta):
yes :) so c = -6
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