Explanation:
10x-40-15+8x=7
2x-55=7
2x=7+55
2x=62
X=31
Answer:
x=31
10x -40 -15-8x=7
2x - 40 -15 =7
2x -55 =7
2x-55+55 = 7 + 55
2x/2=62/2
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