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What is the sum of 5(−3.4k−7) (3k+ 21) - Brainly.com
Dec 18, 2018 · i distributed the 5 to the -3.4k and the -7 and got -17k-35. then i foiled that out with the 3k+21 and got -51k -357 - 105k -735k. then i combined like terms and got -891k -357. hope this helps rip sorry
Solve for k 4k-14+3k=21 - Mathway
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Solve 3k-5=7k-21 | Microsoft Math Solver
Examples. \left. \begin {cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end {cases} \right. Solve your math problems using our free math solver with step-by-step solutions. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more.
Solve 3k^2-18k-21=0 | Microsoft Math Solver
This equation is in standard form: ax^ {2}+bx+c=0. Substitute 3 for a, -18 for b, and -21 for c in the quadratic formula, \frac {-b±\sqrt {b^ {2}-4ac}} {2a}. k=\frac {-\left (-18\right)±\sqrt {324-4\times 3\left (-21\right)}} {2\times 3} k=\frac {-\left (-18\right)±\sqrt {324-12\left (-21\right)}} {2\times 3}
Find the sum. 5(−3.4k−7)+(3k+21) - Brainly.in
next. we open second bracket and get +3k +21. we combine like terms and the final answer
Solve k^2+15k+56/3k+21divk+8/10 | Microsoft Math Solver
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3k+10=2k-21 - Symbolab
Detailed step by step solution for 3k+10=2k-21
What is the sum for 5(−3.4k−7)+(3k+21) - Brainly.com
May 12, 2017 · Answer. 3 people found it helpful. profile. Brainly User. report flag outlined. your answer is -14k-14. hope this helps. arrow right. Explore similar answers. messages.
3k-1=7k+2 - Symbolab
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