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a + 18 = 90 is a linear equation in one variable.
Adding both sides by -18, we get
a + 18 - 18 = 90 - 18
a = 90 - 18 = 72
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How do you solve b plus 4b equals -90?
-86
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90+x+72+30 = 180. If you add 90+72+30, you get 192. But to get 180 you have to subtract 12. 90+(-12)+72+30 =180 if x is -12
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How do you solve b plus 4b equals -90?
-86
What is the answer to 90 plus x plus 72 plus 30 equals 180 solve for x?
90+x+72+30 = 180. If you add 90+72+30, you get 192. But to get 180 you have to subtract 12. 90+(-12)+72+30 =180 if x is -12
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90 + 90 + 60 = 240
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