What is the value of t in this situation 2t+5=2t+5

Mathematics

1 answer:

Bingel [31]3 years ago

6 0

Answer:

t = infinite amount of solutions

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Step-by-step explanation:

Step 1: Define Equation

2t + 5 = 2t + 5

Step 2: Solve for t

Subtract 5 on both sides: 2t = 2t
Divide 2 on both sides: t = t

Here we see that t does indeed equal t.

∴ t = infinite amount of solutions

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Step-by-step explanation:

We must develop three equations in three unknowns.

I will use these three:

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$\begin{array}{lrcll}& 8(7) + 13y & = & 173 & \text{Substituted (7) into (4)} \\& 56 + 13y & = & 173 & \text{Simplified} \\& 13y & = & 117 & \text{Subtracted 56 from each side} \\(8)& y & =& \mathbf{9}&\text{Divided each side by 13}\\& 8(7) + 5(9) + z & = & 169 & \text{Substituted (8) and (7) into (6)} \\& 56 + 45 + z& = & 169 & \text{Simplified} \\& 101 + z& = & 169 & \text{Simplified} \\&z& = & \mathbf{68} & \text{Subtracted 101 from each side}\\\end{array}$