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6.4(a+6.5)=88.96
We move all terms to the left:
6.4(a+6.5)-(88.96)=0
We add all the numbers together, and all the variables
6.4(a+6.5)-88.96=0
We multiply parentheses
6.4a+41.6-88.96=0
We add all the numbers together, and all the variables
6.4a-47.36=0
We move all terms containing a to the left, all other terms to the right
6.4a=47.36
a=47.36/6.4
a=7+1/2.5
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