nnance4784
17.05.2021 •
Mathematics
3x - 4y = 11 ; y = -x+6 with substitution
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Ответ:
If this has something to do with graphs, then it is x = 5, y = 1
Step-by-step explanation:
Ответ:
(5, 1)
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightDistributive Property
Equality Properties
Multiplication Property of Equality Division Property of Equality Addition Property of Equality Subtraction Property of EqualityAlgebra I
Coordinates (x, y)Terms/CoefficientsSolving systems of equations by substitution/eliminationStep-by-step explanation:
Step 1: Define Systems
3x - 4y = 11
y = -x + 6
Step 2: Solve for x
Substitution
Substitute in y [1st Equation]: 3x - 4(-x + 6) = 11[Distributive Property] Distribute -4: 3x + 4x - 24 = 11Combine like terms: 7x - 24 = 11[Addition Property of Equality] Isolate x term: 7x = 35[Division Property of Equality] Isolate x: x = 5Step 3: Solve for y
Substitute in x [2nd Equation]: y = -5 + 6Add: y = 1Ответ: