Mathematics, 05.07.2019 08:30 GiuliAzevedo
Solve the system, show each step. x + y + z = -4 -x + 2y + 3z = 3 x - 4y - 2z = -15
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Evaluate the expression for the given value of the variable. 5×(h+3) for h=7
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Three friends are comparing the prices of various packages of golf balls at a sporting goods store. hector finds a package of 6 golf balls that costs $4.50.
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Solve the system, show each step. x + y + z = -4 -x + 2y + 3z = 3 x - 4y - 2z = -15...
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