Question

29+x+41=90 and 113-y=90

Answer 1

29+x+41 = 90

x+70 = 90 ..... combine like terms

x+70-70 = 90-70 .... subtract 70 from both sides

x = 20 answer

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113 - y = 90

113 - y = 90 - 113 ... subtract 113 from both sides

-y = -23

y = 23 answer