Mathematics
shannondavey321
2015-11-14 07:19:12
what is two-thirds a number plus 4 is 7
ANSWERS
Srboudoin
2015-11-14 10:52:55

2/3x + 4 = 7          -4    -4 4 cancels out. 2/3x = 3 x 3      x3 6/3 = 2x = 9          /2     /2 2 cancels out. x = 9/2 = 4.5

alessiariveraa
2015-11-14 10:54:10

[latex]two-thirds: frac{2}{3} \ number: b \ plus: + (add) \ 4: 4 \ is: equal (to) \ 7:7 \ \ \ \ Problem: frac{2b}{3} + 4 = 7 [/latex] Finding our answer (if we had to solve it as well)↓ [latex] frac{2}{3}b + 4 - 4 \ 7 - 4 = 3 [/latex] [latex] frac{2}{3}b = 3 [/latex] [latex] frac{3}{2} ( frac{2}{3}) [/latex] (← cancel this out because that would give you a [latex]1[/latex] by itself [latex] frac{3}{2} (3) = frac{9}{2} [/latex] [latex]Answer: B = frac{9}{2} [/latex] [latex]good\luck\on your \ assignment \ \ \ \ enjoy \ your \ day/night \ \ \ \ MeIsKaitlyn :) [/latex]

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