7(3a+-9)+5(8a+1/3)-7=7+8

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Solution for 7(3a+-9)+5(8a+1/3)-7=7+8 equation:



7(3a+-9)+5(8a+1/3)-7=7+8
We move all terms to the left:
7(3a+-9)+5(8a+1/3)-7-(7+8)=0
We add all the numbers together, and all the variables
7(3a-9)+5(+8a+1/3)-7-15=0
We add all the numbers together, and all the variables
7(3a-9)+5(+8a+1/3)-22=0
We multiply parentheses
21a+40a-63-22+1/3*5=0
We multiply all the terms by the denominator
21a*3*5+40a*3*5+1-63*3*5-22*3*5=0
We add all the numbers together, and all the variables
21a*3*5+40a*3*5-1274=0
Wy multiply elements
315a*5+600a*5-1274=0
Wy multiply elements
1575a+3000a-1274=0
We add all the numbers together, and all the variables
4575a-1274=0
We move all terms containing a to the left, all other terms to the right
4575a=1274
a=1274/4575
a=1274/4575

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