All real numbers
Work Step by Step
0.06(x+5)=0.03(2x+7)+0.09 100(0.06(x+5))=100(0.03(2x+7)+0.09) 6(x+5)=3(2x+7)+9 6x+6(5)=6x+3(7)+9 6x+30=6x+21+9 6x+30=6x+30 6x-6x+30=30 30=30 Therefore, this equation is true for all real numbers.
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