Question

# 17+27=−7x Given the above equation, what is the value of 9(−21x+1)? ___

Solution

## We can transform the given equation so that the right side is -21x 17+27=−7x 44=−7x Multiply both sides by 3  132=−21x Now we can plug the above value into the wanted expression 9(−21x+1)=9(132+1)                     = 9(133)                     = 1197.

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