Answer:
x =1
Step-by-step explanation:
5x +7=12
5x=12-7
5x=5
x=1
The solution of the equation is 1.
A system of equations is two or more equations that can be solved to get a unique solution. the power of the equation must be in one degree.
Given equation;
5x +7=12
Subtract 7 on both side;
5x - 7 + 7 = 12-7
Divide by 5;
5x=5
or
x=1
The solution of the equation is 1.
Learn more about equations here;
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