Answer and Step-by-step explanation:
1.
7x + 3 = 9x - 33
<u>Subtract 7x from both sides, and add 33 to both sides of the equation.</u>
36 = 2x
<u>Divide both sides by 2.</u>
<u>x = 18</u>
2.
6x + 26 + 16x = 180
<u>Combine like terms.</u>
22x + 26 = 180
<u>Subtract 26 from both sides of the equation.</u>
22x = 154
<u>Divide 22 from both sides of the equation.</u>
<u>x = 7</u>
3.
90 + 2x - 3 = 10x - 17
<u>Add 17 to both sides of the equation, subtract 2x from both sides of the equation and combine like terms.</u>
104 = 8x
<u>Divide 8 from both sides of the equation.</u>
<u>x = 13</u>
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