Question

solve the following equations and check your results 5x+7=-5*-8
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Answer 1

Answer:

Transpose 3x to LHS and 9 to RHS

5x−3x=5−9

2x=−4

x=−2

LHS ⇒5x+9⇒5(−2)+9=−10+9=−1

RHS ⇒5+3x=5+3(−2)=5−6=−1

LHS = RHS

Hence proved

Step-by-step explanation:

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Answer 2

Answer:

x=6.6

Step-by-step explanation:

5x+7=-5*(-8)

=> 5x=-5*(-8)-7

=> 5x=33

=> x=33/5

or, x= 6.6

Checking:

5x+7

=5*6.6+7

=40=LHS

-5*(-8)

=40=RHS

∵LHS=RHS=40

∴x=6.6