This should help-
Triangle Total angle measures = 180
Right angle= 90
Line = 180
Triangle Total angle measures = 180
Right angle= 90
Line = 180
-2a+7-3(-9-4a) how do I solve this?
1 answer:
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Answer:
General Formulas and Concepts:
- Order of Operations: BPEMDAS
- Equality Properties
Step-by-step explanation:
<u>Step 1: Define equation</u>
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<u />
<u>Step 2: Solve for </u><em><u>x</u></em>
- Subtract 8 on both sides:
- Divide both sides by -6/4:
- Rewrite:
<u>Step 3: Check</u>
<em>Plug in x to verify it's a solution.</em>
- Substitute:
- Multiply:
- Subtract:
