D = 8cm H=8cm - Gauthmath

Math Resources/Math/

Question

Simplify to create an equivalent expression. -3(2+4k)+7(2k-1) Choose 1 answer: 2k-13 8k-13 2k+13 D 2k-7SHOW LESS165

Solution

user avatar imageAnswer - 13 + 2 kExplanationApply Multiplicative Distribution Law:- 3 \times 2 - 3 \times 4 k + 7 \times 2 k + 7 \times (-1)Remove the parentheses:- 3 \times 2 - 3 \times 4 k + 7 \times 2 k - 7Calculate the product or quotient:- 6 - 3 \times 4 k + 7 \times 2 k - 7Multiply the monomials:- 6 - 12 k + 14 k - 7Reorder and gather like terms:(- 6 - 7) + (- 12 k + 14 k)Collect coefficients for the like terms:(- 6 - 7) + (- 12 + 14) \times kCalculate the sum or difference:- 13 + (- 12 + 14) \times kCalculate the sum or difference:- 13 + 2 kAnswer: - 13 + 2 kClick to rate:96.3(949 votes)Search questionBy textBy image/screenshotDrop your file here orClick Hereto upload

Từ khóa » D=8 Cm H=8cm