Solve for x
x=555
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615+620+650+x=610\times 4
Multiply both sides by 4.
1235+650+x=610\times 4
Add 615 and 620 to get 1235.
1885+x=610\times 4
Add 1235 and 650 to get 1885.
1885+x=2440
Multiply 610 and 4 to get 2440.
x=2440-1885
Subtract 1885 from both sides.
x=555
Subtract 1885 from 2440 to get 555.
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