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0.5x+1.2*3=21.6 Use the fifth grade equation to solve
0.5x+1.2*3=21.6
0.5x+3.6=21.6
0.5x=21.6-3.6
0.5x=18
x=18÷0.5
x=36
7（0.8+1.5x）=110.6
solve equations.
7（0.8+1.5x）=110.6
0.8+1.5x=110.6÷7
0.8+1.5x= 15.8
1.5x=15.8 -0.8
1.5x=15
x=10
What is 15 × 1.5x-6
15×1.5X-6=22.5x-6
15×(1.5x-6)=22.5-90
Look who it is!
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