How do you solve 7a+10=2a

Mathematics

2 answers:

amm18123 years ago

4 0

7a+10=2a -7a. -7a 10=-5a Divide by -5 and u get ur answer

sammy [17]3 years ago

3 0

Subtract 7a from both sides giving you 10=-5a and divide everything by 5. This gives you a=-2

You might be interested in

What is 15 = -y + 10

Murrr4er [49]

It's a simple linear equation in a single variable, 'y' . Its solution is the number
that 'y' must be in order to make the equation a true statement. Here's how to
find the solution:

Write the equation: 15 = -y + 10

Subtract 10 from each side: 5 = -y

Multiply each side by -1 : -5 = y

7 0

3 years ago

Read 2 more answers

I need help with number 17 please, and show work. I keep getting different answers. 1

Alecsey [184]

$\frac{(x+1)(x-1)}{(x+1)(x-1)(x+1)} - \frac{2(x-1)}{(x+1)(x-1)(x+1)} + \frac{3(x+1)}{(x+1)(x-1)(x+1)}$

= $\frac{x^2-2-2x+2+3x+3}{(x+1)(x-1)(x+1)}$
= $\frac{x^2+x+4}{(x+1)(x-1)(x+1)}$ is what I got.