Solve for the unknown using principles of equations:а. бх + 8 — За 3D - 8г — 10 + хx =0.00Rounded to two decimal placesb. 3 (7a — 21) — 4 - 3 (х +8)x =0.00Rounded to two decimal placesс. (2 + 5) (3 + 4а) — 25 — 5.5 (х + 3)x =0.00Rounded to two decimal places

Solution a: 6x+8-3x=-8x-10+x⇒6x-3x+8x-x=-10-8⇒(6-3+8-1)x=-18⇒10x=-18 Now divide both side by 10…

Answered: Solve for the unknown using principles…

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter9: Systems Of Linear Equations

Section9.2: The Substitution Method

Problem 9WE

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Solve for the unknown using principles of equations: а. бх + 8 — За 3D — 8а — 10 + х 0.00 Rounded to two decimal places b. 3 (7x – 21) = 4 – 3 (x + 8) 0.00 Rounded to two decimal places с. (2 + 5) (3 + 4г) — 25 — 5.5 (г + 3) 0.00 Rounded to two decimal places