Algebra Help Proportions
Please help with Algebra solving proportions?
x-4 / 5 = x 2 / 7, 5 and 7 are below show how to get answers also if possible, give so much!
To solve this like any other proportion: 1. Find the cross products. 2. Solving the equation by the isolation of the variable. X – 4 … x + 2 = ____ _____ … 5 …. 7 7 (x -4) = 5 (x + 2) Establishing the factors cross —————–> 7x – 28 = 5x + 10 —— – ———-> Multiply to find 2x = -28 cross products 10 ———- ————–> Solve to isolate "x" by first subtracting 5x from each side of = 2x = + 38 ———- —————–> Next divide both sides by 2 x = 19
Watch Video on Proportion Word Problems – Math Help
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