Answer:
19/5 or 3.8
Step-by-step explanation:
1. Subtract 2x from 7x because they are like terms
19=7x-2x
19=5x
2. Bring 5 to the other side to divide from 19
19/5=x
x = 19/5 or x= 3.8
Answer:
[tex]Simplifying[/tex]
[tex]19 = 7x + 4 + -2x[/tex]
[tex]Reorder \: the \: terms:19 = 4 + 7x + -2x[/tex]
[tex]Combine \: like \: terms: 7x + -2x = 5 \: x \: 19 = 4 + 5x[/tex]
[tex]Solving \: 19 = 4 + 5x[/tex]
[tex]Solving \: for \: variable \: 'x'.[/tex]
[tex]Move \: all \: terms \: containing \: x \: to \: the \\ \: left, all \: other \: terms \: to \: the \: right. [/tex][tex]Add \: '-5x' \: to \: each \: side \: of \: the \: equation.[/tex]
[tex]19 + -5x = 4 + 5x + -5x[/tex]
[tex]Combine \: like \: terms: 5x + -5x = 0[/tex]
[tex]19 + -5x = 4 + 0[/tex]
[tex]19 + -5x = 4[/tex]
[tex]Add \: '-19' \: to \: each \: side \: of \: the \: equation.[/tex]
[tex]19 + -19 + -5x = 4 + -19[/tex]
[tex]Combine \: like \: terms: 19 + -19 = 0[/tex]
[tex]0 + -5x = 4 + -19[/tex]
[tex]-5x = 4 + -19[/tex]
[tex]Combine \: like \: terms: 4 + -19 = -15[/tex]
[tex]-5x = -15[/tex]
[tex]Divide \: each \: side \: by '-5'.[/tex]
[tex]x = 3[/tex]
[tex]Simplifying. x = 3[/tex]
Step-by-step explanation:
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