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13 - 3X = 4X + 1
add 3X to each side
13 - 3X + 3X = 4X + 3X + 1
13 = 7X + 1
subtract 1 from each side
13 - 1 = 7X + 1 - 1
12 = 7X
divide both sides integers by 7
12/7 = (7/7)X
12/7 = X
=========check in original equation
13 - 3(12/7) = 4(12/7) + 1
13 - 36/7 = 48/7 + 1
13 and 1 need to be converted to fractions ( 13 * 7 = 91, so/ 91/7 = 13 ; 1 = 7/7 )
91/7 - 36/7 = 48/7 + 7/7
55/7 = 55/7
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∙ 11y ago
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If: 3x+5 = 4x+1 Then: x = 4
What is the solution to this equation 4x plus 10 plus 3x equals 40 minus 3x?
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4x - y equals 1 3x plus y equals 13?
(2, 7)
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7-3x = -4x + 13x = 6
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What is the solution to this equation 4x plus 10 plus 3x equals 40 minus 3x?
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-3x equals -21 plus 4x?
-3x=-21+4x-3x-4x=-21+4x-4x-7x=-217x=217x/7=21/7x=3
What is 3x plus 5 equals 4x-10?
3x+5= 4x-10+10 +103x+15= 4x-3x -3x15=X
