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4x + 4 + 5x - 22 = 90

combined like terms

9x - 18 = 90

+18 +18

9x = 108

/9 /9 divide by 9 on both sides

x = 12

plug in and check

(4 * 12) + 4 + (5 * 12) - 22 = 90

48 + 4 + 60 -22 = 90

90 = 90

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15y ago

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