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Solve the equation and verify the solution using substitution. -5(2r-0.3)+0.5(4r+3)=-64

Solve the equation and verify the solution using substitution. -5(2r-0.3)+0.5(4r+3)=-64
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Solve the equation and verify the solution using substitution.

-5(2r-0.3)+0.5(4r+3)=-64

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User Atm
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1 Answer

3 votes
-5(2r-0.3)+0.5(4r+3)=-64
(-5x2r)-(0.3x-5)+(0.5x4r)+(3x0.5)=-64
-10r-(-1.5)+2r+1.5=-64
-10r+1.5+2r+1.5=-64
-10r+2r+1.5+1.5=-64
-8r+3=-64
-8r+3-3=-64-3
-8r=-64
r=8.375

Hope this helps
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User Kabrina
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