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in all; in total; collectively
in addition; besides; at the same time
合わせて三十人が式に参加した。
Thirty people in all attended the ceremony.
材料費と工賃を合わせて計算した。
Material costs and labor were added together and calculated.
全部を合わせても五千円に満たない金額だった。
Even adding everything together, it came to less than five thousand yen.