Question

please answer step by step ............. invalent answer will be reported ........... i will do brainlist who will answer correctly.......... 1. the sum of four times y and 8 is 19 . 2. 9 is subtracted from five times of m , given 20 . 3. one-fifth of x is added to 5 given 17 . 4. 8 is divided by x given 4 . 2. write the following equation into statement form : a) 3x + 5 = 9 b) 7p = 63 c) y/3 - 4 = 7 d) x - 3 = 2

Answer 1

Answer:

Evaluate x+4 when x=-3.

If you missed this problem, review (Figure).

Evaluate 15-y when y=-5.

If you missed this problem, review (Figure).

Simplify 4\left(4n+1\right)-15n.

If you missed this problem, review (Figure).

Translate into algebra “5 is less than x.”

If you missed this problem, review (Figure).

Verify a Solution of an Equation

Solving an equation is like discovering the answer to a puzzle. The purpose in solving an equation is to find the value or values of the variable that make each side of the equation the same – so that we end up with a true statement. Any value of the variable that makes the equation true is called a solution to the equation. It is the answer to the puzzle!

Solution of an equation

A solution of an equation is a value of a variable that makes a true statement when substituted into the equation.

To determine whether a number is a solution to an equation.

Substitute the number in for the variable in the equation.

Simplify the expressions on both sides of the equation.

Determine whether the resulting equation is true (the left side is equal to the right side)

If it is true, the number is a solution.

If it is not true, the number is not a solution.

Step-by-step explanation:

Determine whether x=\frac{3}{2} is a solution of 4x-2=2x+1.

Solution

Since a solution to an equation is a value of the variable that makes the equation true, begin by substituting the value of the solution for the variable.

.

. .

Multiply. .

Subtract. .

Since x=\frac{3}{2} results in a true equation (4 is in fact equal to 4), \frac{3}{2} is a solution to the equation 4x-2=2x+1.

Answer 2

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